Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/sharedRuntime.cpp @ 18096:ca6d25be853b jdk8u25-b13
8044269: Analysis of archive files.
Summary: Add checksum verification.
Reviewed-by: iklam, dholmes, mschoene
| author | jiangli |
|---|---|
| date | Tue, 12 Aug 2014 17:46:16 -0400 |
| parents | 0bf37f737702 |
| children | 52b4284cb496 07e01043ade7 |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17915
diff
changeset
|
2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
| 0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
1507
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "classfile/systemDictionary.hpp" | |
| 27 #include "classfile/vmSymbols.hpp" | |
| 28 #include "code/compiledIC.hpp" | |
| 29 #include "code/scopeDesc.hpp" | |
| 30 #include "code/vtableStubs.hpp" | |
| 31 #include "compiler/abstractCompiler.hpp" | |
| 32 #include "compiler/compileBroker.hpp" | |
| 33 #include "compiler/compilerOracle.hpp" | |
|
7199
cd3d6a6b95d9
8003240: x86: move MacroAssembler into separate file
twisti
parents:
6983
diff
changeset
|
34 #include "compiler/disassembler.hpp" |
| 1972 | 35 #include "interpreter/interpreter.hpp" |
| 36 #include "interpreter/interpreterRuntime.hpp" | |
| 37 #include "memory/gcLocker.inline.hpp" | |
| 38 #include "memory/universe.inline.hpp" | |
| 39 #include "oops/oop.inline.hpp" | |
| 40 #include "prims/forte.hpp" | |
| 41 #include "prims/jvmtiExport.hpp" | |
| 42 #include "prims/jvmtiRedefineClassesTrace.hpp" | |
| 43 #include "prims/methodHandles.hpp" | |
| 44 #include "prims/nativeLookup.hpp" | |
| 45 #include "runtime/arguments.hpp" | |
| 46 #include "runtime/biasedLocking.hpp" | |
| 47 #include "runtime/handles.inline.hpp" | |
| 48 #include "runtime/init.hpp" | |
| 49 #include "runtime/interfaceSupport.hpp" | |
| 50 #include "runtime/javaCalls.hpp" | |
| 51 #include "runtime/sharedRuntime.hpp" | |
| 52 #include "runtime/stubRoutines.hpp" | |
| 53 #include "runtime/vframe.hpp" | |
| 54 #include "runtime/vframeArray.hpp" | |
| 55 #include "utilities/copy.hpp" | |
| 56 #include "utilities/dtrace.hpp" | |
| 57 #include "utilities/events.hpp" | |
| 58 #include "utilities/hashtable.inline.hpp" | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7469
diff
changeset
|
59 #include "utilities/macros.hpp" |
| 1972 | 60 #include "utilities/xmlstream.hpp" |
| 61 #ifdef TARGET_ARCH_x86 | |
| 62 # include "nativeInst_x86.hpp" | |
| 63 # include "vmreg_x86.inline.hpp" | |
| 64 #endif | |
| 65 #ifdef TARGET_ARCH_sparc | |
| 66 # include "nativeInst_sparc.hpp" | |
| 67 # include "vmreg_sparc.inline.hpp" | |
| 68 #endif | |
| 69 #ifdef TARGET_ARCH_zero | |
| 70 # include "nativeInst_zero.hpp" | |
| 71 # include "vmreg_zero.inline.hpp" | |
| 72 #endif | |
|
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
73 #ifdef TARGET_ARCH_arm |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
74 # include "nativeInst_arm.hpp" |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
75 # include "vmreg_arm.inline.hpp" |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
76 #endif |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
77 #ifdef TARGET_ARCH_ppc |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
78 # include "nativeInst_ppc.hpp" |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
79 # include "vmreg_ppc.inline.hpp" |
|
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
2177
diff
changeset
|
80 #endif |
| 1972 | 81 #ifdef COMPILER1 |
| 82 #include "c1/c1_Runtime1.hpp" | |
| 83 #endif | |
| 84 | |
|
17937
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17915
diff
changeset
|
85 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
|
78bbf4d43a14
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
17915
diff
changeset
|
86 |
|
3753
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
87 // Shared stub locations |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
88 RuntimeStub* SharedRuntime::_wrong_method_blob; |
|
13382
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
89 RuntimeStub* SharedRuntime::_wrong_method_abstract_blob; |
|
3753
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
90 RuntimeStub* SharedRuntime::_ic_miss_blob; |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
91 RuntimeStub* SharedRuntime::_resolve_opt_virtual_call_blob; |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
92 RuntimeStub* SharedRuntime::_resolve_virtual_call_blob; |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
93 RuntimeStub* SharedRuntime::_resolve_static_call_blob; |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
94 |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
95 DeoptimizationBlob* SharedRuntime::_deopt_blob; |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
96 SafepointBlob* SharedRuntime::_polling_page_vectors_safepoint_handler_blob; |
|
3753
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
97 SafepointBlob* SharedRuntime::_polling_page_safepoint_handler_blob; |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
98 SafepointBlob* SharedRuntime::_polling_page_return_handler_blob; |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
99 |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
100 #ifdef COMPILER2 |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
101 UncommonTrapBlob* SharedRuntime::_uncommon_trap_blob; |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
102 #endif // COMPILER2 |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
103 |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
104 |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
105 //----------------------------generate_stubs----------------------------------- |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
106 void SharedRuntime::generate_stubs() { |
|
13382
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
107 _wrong_method_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method), "wrong_method_stub"); |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
108 _wrong_method_abstract_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method_abstract), "wrong_method_abstract_stub"); |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
109 _ic_miss_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::handle_wrong_method_ic_miss), "ic_miss_stub"); |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
110 _resolve_opt_virtual_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_opt_virtual_call_C), "resolve_opt_virtual_call"); |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
111 _resolve_virtual_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_virtual_call_C), "resolve_virtual_call"); |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
112 _resolve_static_call_blob = generate_resolve_blob(CAST_FROM_FN_PTR(address, SharedRuntime::resolve_static_call_C), "resolve_static_call"); |
|
3753
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
113 |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
114 #ifdef COMPILER2 |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
115 // Vectors are generated only by C2. |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
116 if (is_wide_vector(MaxVectorSize)) { |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
117 _polling_page_vectors_safepoint_handler_blob = generate_handler_blob(CAST_FROM_FN_PTR(address, SafepointSynchronize::handle_polling_page_exception), POLL_AT_VECTOR_LOOP); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
118 } |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
119 #endif // COMPILER2 |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
120 _polling_page_safepoint_handler_blob = generate_handler_blob(CAST_FROM_FN_PTR(address, SafepointSynchronize::handle_polling_page_exception), POLL_AT_LOOP); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
121 _polling_page_return_handler_blob = generate_handler_blob(CAST_FROM_FN_PTR(address, SafepointSynchronize::handle_polling_page_exception), POLL_AT_RETURN); |
|
3753
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
122 |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
123 generate_deopt_blob(); |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
124 |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
125 #ifdef COMPILER2 |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
126 generate_uncommon_trap_blob(); |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
127 #endif // COMPILER2 |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
128 } |
|
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
129 |
| 0 | 130 #include <math.h> |
| 131 | |
| 4006 | 132 #ifndef USDT2 |
| 0 | 133 HS_DTRACE_PROBE_DECL4(hotspot, object__alloc, Thread*, char*, int, size_t); |
| 134 HS_DTRACE_PROBE_DECL7(hotspot, method__entry, int, | |
| 135 char*, int, char*, int, char*, int); | |
| 136 HS_DTRACE_PROBE_DECL7(hotspot, method__return, int, | |
| 137 char*, int, char*, int, char*, int); | |
| 4006 | 138 #endif /* !USDT2 */ |
| 0 | 139 |
| 140 // Implementation of SharedRuntime | |
| 141 | |
| 142 #ifndef PRODUCT | |
| 143 // For statistics | |
| 144 int SharedRuntime::_ic_miss_ctr = 0; | |
| 145 int SharedRuntime::_wrong_method_ctr = 0; | |
| 146 int SharedRuntime::_resolve_static_ctr = 0; | |
| 147 int SharedRuntime::_resolve_virtual_ctr = 0; | |
| 148 int SharedRuntime::_resolve_opt_virtual_ctr = 0; | |
| 149 int SharedRuntime::_implicit_null_throws = 0; | |
| 150 int SharedRuntime::_implicit_div0_throws = 0; | |
| 151 int SharedRuntime::_throw_null_ctr = 0; | |
| 152 | |
| 153 int SharedRuntime::_nof_normal_calls = 0; | |
| 154 int SharedRuntime::_nof_optimized_calls = 0; | |
| 155 int SharedRuntime::_nof_inlined_calls = 0; | |
| 156 int SharedRuntime::_nof_megamorphic_calls = 0; | |
| 157 int SharedRuntime::_nof_static_calls = 0; | |
| 158 int SharedRuntime::_nof_inlined_static_calls = 0; | |
| 159 int SharedRuntime::_nof_interface_calls = 0; | |
| 160 int SharedRuntime::_nof_optimized_interface_calls = 0; | |
| 161 int SharedRuntime::_nof_inlined_interface_calls = 0; | |
| 162 int SharedRuntime::_nof_megamorphic_interface_calls = 0; | |
| 163 int SharedRuntime::_nof_removable_exceptions = 0; | |
| 164 | |
| 165 int SharedRuntime::_new_instance_ctr=0; | |
| 166 int SharedRuntime::_new_array_ctr=0; | |
| 167 int SharedRuntime::_multi1_ctr=0; | |
| 168 int SharedRuntime::_multi2_ctr=0; | |
| 169 int SharedRuntime::_multi3_ctr=0; | |
| 170 int SharedRuntime::_multi4_ctr=0; | |
| 171 int SharedRuntime::_multi5_ctr=0; | |
| 172 int SharedRuntime::_mon_enter_stub_ctr=0; | |
| 173 int SharedRuntime::_mon_exit_stub_ctr=0; | |
| 174 int SharedRuntime::_mon_enter_ctr=0; | |
| 175 int SharedRuntime::_mon_exit_ctr=0; | |
| 176 int SharedRuntime::_partial_subtype_ctr=0; | |
| 177 int SharedRuntime::_jbyte_array_copy_ctr=0; | |
| 178 int SharedRuntime::_jshort_array_copy_ctr=0; | |
| 179 int SharedRuntime::_jint_array_copy_ctr=0; | |
| 180 int SharedRuntime::_jlong_array_copy_ctr=0; | |
| 181 int SharedRuntime::_oop_array_copy_ctr=0; | |
| 182 int SharedRuntime::_checkcast_array_copy_ctr=0; | |
| 183 int SharedRuntime::_unsafe_array_copy_ctr=0; | |
| 184 int SharedRuntime::_generic_array_copy_ctr=0; | |
| 185 int SharedRuntime::_slow_array_copy_ctr=0; | |
| 186 int SharedRuntime::_find_handler_ctr=0; | |
| 187 int SharedRuntime::_rethrow_ctr=0; | |
| 188 | |
| 189 int SharedRuntime::_ICmiss_index = 0; | |
| 190 int SharedRuntime::_ICmiss_count[SharedRuntime::maxICmiss_count]; | |
| 191 address SharedRuntime::_ICmiss_at[SharedRuntime::maxICmiss_count]; | |
| 192 | |
|
3753
cba7b5c2d53f
7045514: SPARC assembly code for JSR 292 ricochet frames
never
parents:
3363
diff
changeset
|
193 |
| 0 | 194 void SharedRuntime::trace_ic_miss(address at) { |
| 195 for (int i = 0; i < _ICmiss_index; i++) { | |
| 196 if (_ICmiss_at[i] == at) { | |
| 197 _ICmiss_count[i]++; | |
| 198 return; | |
| 199 } | |
| 200 } | |
| 201 int index = _ICmiss_index++; | |
| 202 if (_ICmiss_index >= maxICmiss_count) _ICmiss_index = maxICmiss_count - 1; | |
| 203 _ICmiss_at[index] = at; | |
| 204 _ICmiss_count[index] = 1; | |
| 205 } | |
| 206 | |
| 207 void SharedRuntime::print_ic_miss_histogram() { | |
| 208 if (ICMissHistogram) { | |
| 209 tty->print_cr ("IC Miss Histogram:"); | |
| 210 int tot_misses = 0; | |
| 211 for (int i = 0; i < _ICmiss_index; i++) { | |
| 212 tty->print_cr(" at: " INTPTR_FORMAT " nof: %d", _ICmiss_at[i], _ICmiss_count[i]); | |
| 213 tot_misses += _ICmiss_count[i]; | |
| 214 } | |
| 215 tty->print_cr ("Total IC misses: %7d", tot_misses); | |
| 216 } | |
| 217 } | |
| 218 #endif // PRODUCT | |
| 219 | |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7469
diff
changeset
|
220 #if INCLUDE_ALL_GCS |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
221 |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
222 // G1 write-barrier pre: executed before a pointer store. |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
223 JRT_LEAF(void, SharedRuntime::g1_wb_pre(oopDesc* orig, JavaThread *thread)) |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
224 if (orig == NULL) { |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
225 assert(false, "should be optimized out"); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
226 return; |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
227 } |
|
845
df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
ysr
parents:
742
diff
changeset
|
228 assert(orig->is_oop(true /* ignore mark word */), "Error"); |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
229 // store the original value that was in the field reference |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
230 thread->satb_mark_queue().enqueue(orig); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
231 JRT_END |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
232 |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
233 // G1 write-barrier post: executed after a pointer store. |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
234 JRT_LEAF(void, SharedRuntime::g1_wb_post(void* card_addr, JavaThread* thread)) |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
235 thread->dirty_card_queue().enqueue(card_addr); |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
236 JRT_END |
|
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
237 |
|
8001
db9981fd3124
8005915: Unify SERIALGC and INCLUDE_ALTERNATE_GCS
jprovino
parents:
7469
diff
changeset
|
238 #endif // INCLUDE_ALL_GCS |
|
342
37f87013dfd8
6711316: Open source the Garbage-First garbage collector
ysr
parents:
128
diff
changeset
|
239 |
| 0 | 240 |
| 241 JRT_LEAF(jlong, SharedRuntime::lmul(jlong y, jlong x)) | |
| 242 return x * y; | |
| 243 JRT_END | |
| 244 | |
| 245 | |
| 246 JRT_LEAF(jlong, SharedRuntime::ldiv(jlong y, jlong x)) | |
| 247 if (x == min_jlong && y == CONST64(-1)) { | |
| 248 return x; | |
| 249 } else { | |
| 250 return x / y; | |
| 251 } | |
| 252 JRT_END | |
| 253 | |
| 254 | |
| 255 JRT_LEAF(jlong, SharedRuntime::lrem(jlong y, jlong x)) | |
| 256 if (x == min_jlong && y == CONST64(-1)) { | |
| 257 return 0; | |
| 258 } else { | |
| 259 return x % y; | |
| 260 } | |
| 261 JRT_END | |
| 262 | |
| 263 | |
| 264 const juint float_sign_mask = 0x7FFFFFFF; | |
| 265 const juint float_infinity = 0x7F800000; | |
| 266 const julong double_sign_mask = CONST64(0x7FFFFFFFFFFFFFFF); | |
| 267 const julong double_infinity = CONST64(0x7FF0000000000000); | |
| 268 | |
| 269 JRT_LEAF(jfloat, SharedRuntime::frem(jfloat x, jfloat y)) | |
| 270 #ifdef _WIN64 | |
| 271 // 64-bit Windows on amd64 returns the wrong values for | |
| 272 // infinity operands. | |
| 273 union { jfloat f; juint i; } xbits, ybits; | |
| 274 xbits.f = x; | |
| 275 ybits.f = y; | |
| 276 // x Mod Infinity == x unless x is infinity | |
| 277 if ( ((xbits.i & float_sign_mask) != float_infinity) && | |
| 278 ((ybits.i & float_sign_mask) == float_infinity) ) { | |
| 279 return x; | |
| 280 } | |
| 281 #endif | |
| 282 return ((jfloat)fmod((double)x,(double)y)); | |
| 283 JRT_END | |
| 284 | |
| 285 | |
| 286 JRT_LEAF(jdouble, SharedRuntime::drem(jdouble x, jdouble y)) | |
| 287 #ifdef _WIN64 | |
| 288 union { jdouble d; julong l; } xbits, ybits; | |
| 289 xbits.d = x; | |
| 290 ybits.d = y; | |
| 291 // x Mod Infinity == x unless x is infinity | |
| 292 if ( ((xbits.l & double_sign_mask) != double_infinity) && | |
| 293 ((ybits.l & double_sign_mask) == double_infinity) ) { | |
| 294 return x; | |
| 295 } | |
| 296 #endif | |
| 297 return ((jdouble)fmod((double)x,(double)y)); | |
| 298 JRT_END | |
| 299 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
300 #ifdef __SOFTFP__ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
301 JRT_LEAF(jfloat, SharedRuntime::fadd(jfloat x, jfloat y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
302 return x + y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
303 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
304 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
305 JRT_LEAF(jfloat, SharedRuntime::fsub(jfloat x, jfloat y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
306 return x - y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
307 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
308 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
309 JRT_LEAF(jfloat, SharedRuntime::fmul(jfloat x, jfloat y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
310 return x * y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
311 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
312 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
313 JRT_LEAF(jfloat, SharedRuntime::fdiv(jfloat x, jfloat y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
314 return x / y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
315 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
316 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
317 JRT_LEAF(jdouble, SharedRuntime::dadd(jdouble x, jdouble y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
318 return x + y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
319 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
320 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
321 JRT_LEAF(jdouble, SharedRuntime::dsub(jdouble x, jdouble y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
322 return x - y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
323 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
324 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
325 JRT_LEAF(jdouble, SharedRuntime::dmul(jdouble x, jdouble y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
326 return x * y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
327 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
328 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
329 JRT_LEAF(jdouble, SharedRuntime::ddiv(jdouble x, jdouble y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
330 return x / y; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
331 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
332 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
333 JRT_LEAF(jfloat, SharedRuntime::i2f(jint x)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
334 return (jfloat)x; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
335 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
336 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
337 JRT_LEAF(jdouble, SharedRuntime::i2d(jint x)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
338 return (jdouble)x; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
339 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
340 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
341 JRT_LEAF(jdouble, SharedRuntime::f2d(jfloat x)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
342 return (jdouble)x; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
343 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
344 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
345 JRT_LEAF(int, SharedRuntime::fcmpl(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
346 return x>y ? 1 : (x==y ? 0 : -1); /* x<y or is_nan*/ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
347 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
348 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
349 JRT_LEAF(int, SharedRuntime::fcmpg(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
350 return x<y ? -1 : (x==y ? 0 : 1); /* x>y or is_nan */ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
351 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
352 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
353 JRT_LEAF(int, SharedRuntime::dcmpl(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
354 return x>y ? 1 : (x==y ? 0 : -1); /* x<y or is_nan */ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
355 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
356 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
357 JRT_LEAF(int, SharedRuntime::dcmpg(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
358 return x<y ? -1 : (x==y ? 0 : 1); /* x>y or is_nan */ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
359 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
360 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
361 // Functions to return the opposite of the aeabi functions for nan. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
362 JRT_LEAF(int, SharedRuntime::unordered_fcmplt(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
363 return (x < y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
364 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
365 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
366 JRT_LEAF(int, SharedRuntime::unordered_dcmplt(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
367 return (x < y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
368 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
369 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
370 JRT_LEAF(int, SharedRuntime::unordered_fcmple(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
371 return (x <= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
372 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
373 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
374 JRT_LEAF(int, SharedRuntime::unordered_dcmple(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
375 return (x <= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
376 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
377 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
378 JRT_LEAF(int, SharedRuntime::unordered_fcmpge(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
379 return (x >= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
380 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
381 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
382 JRT_LEAF(int, SharedRuntime::unordered_dcmpge(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
383 return (x >= y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
384 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
385 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
386 JRT_LEAF(int, SharedRuntime::unordered_fcmpgt(float x, float y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
387 return (x > y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
388 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
389 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
390 JRT_LEAF(int, SharedRuntime::unordered_dcmpgt(double x, double y)) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
391 return (x > y) ? 1 : ((g_isnan(x) || g_isnan(y)) ? 1 : 0); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
392 JRT_END |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
393 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
394 // Intrinsics make gcc generate code for these. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
395 float SharedRuntime::fneg(float f) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
396 return -f; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
397 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
398 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
399 double SharedRuntime::dneg(double f) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
400 return -f; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
401 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
402 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
403 #endif // __SOFTFP__ |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
404 |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
405 #if defined(__SOFTFP__) || defined(E500V2) |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
406 // Intrinsics make gcc generate code for these. |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
407 double SharedRuntime::dabs(double f) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
408 return (f <= (double)0.0) ? (double)0.0 - f : f; |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
409 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
410 |
|
1868
3dc12ef8735e
6989297: Integrate additional portability improvements
bobv
parents:
1793
diff
changeset
|
411 #endif |
|
3dc12ef8735e
6989297: Integrate additional portability improvements
bobv
parents:
1793
diff
changeset
|
412 |
| 14390 | 413 #if defined(__SOFTFP__) || defined(PPC32) |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
414 double SharedRuntime::dsqrt(double f) { |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
415 return sqrt(f); |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
416 } |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
417 #endif |
| 0 | 418 |
| 419 JRT_LEAF(jint, SharedRuntime::f2i(jfloat x)) | |
|
508
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
420 if (g_isnan(x)) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
421 return 0; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
422 if (x >= (jfloat) max_jint) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
423 return max_jint; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
424 if (x <= (jfloat) min_jint) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
425 return min_jint; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
426 return (jint) x; |
| 0 | 427 JRT_END |
| 428 | |
| 429 | |
| 430 JRT_LEAF(jlong, SharedRuntime::f2l(jfloat x)) | |
|
508
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
431 if (g_isnan(x)) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
432 return 0; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
433 if (x >= (jfloat) max_jlong) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
434 return max_jlong; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
435 if (x <= (jfloat) min_jlong) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
436 return min_jlong; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
437 return (jlong) x; |
| 0 | 438 JRT_END |
| 439 | |
| 440 | |
| 441 JRT_LEAF(jint, SharedRuntime::d2i(jdouble x)) | |
|
508
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
442 if (g_isnan(x)) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
443 return 0; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
444 if (x >= (jdouble) max_jint) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
445 return max_jint; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
446 if (x <= (jdouble) min_jint) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
447 return min_jint; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
448 return (jint) x; |
| 0 | 449 JRT_END |
| 450 | |
| 451 | |
| 452 JRT_LEAF(jlong, SharedRuntime::d2l(jdouble x)) | |
|
508
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
453 if (g_isnan(x)) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
454 return 0; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
455 if (x >= (jdouble) max_jlong) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
456 return max_jlong; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
457 if (x <= (jdouble) min_jlong) |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
458 return min_jlong; |
|
6d8fc951eb25
6778657: Casts in SharedRuntime::f2i, f2l, d2i and d2l rely on undefined C++ behaviour
kvn
parents:
465
diff
changeset
|
459 return (jlong) x; |
| 0 | 460 JRT_END |
| 461 | |
| 462 | |
| 463 JRT_LEAF(jfloat, SharedRuntime::d2f(jdouble x)) | |
| 464 return (jfloat)x; | |
| 465 JRT_END | |
| 466 | |
| 467 | |
| 468 JRT_LEAF(jfloat, SharedRuntime::l2f(jlong x)) | |
| 469 return (jfloat)x; | |
| 470 JRT_END | |
| 471 | |
| 472 | |
| 473 JRT_LEAF(jdouble, SharedRuntime::l2d(jlong x)) | |
| 474 return (jdouble)x; | |
| 475 JRT_END | |
| 476 | |
| 477 // Exception handling accross interpreter/compiler boundaries | |
| 478 // | |
| 479 // exception_handler_for_return_address(...) returns the continuation address. | |
| 480 // The continuation address is the entry point of the exception handler of the | |
| 481 // previous frame depending on the return address. | |
| 482 | |
| 1295 | 483 address SharedRuntime::raw_exception_handler_for_return_address(JavaThread* thread, address return_address) { |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
484 assert(frame::verify_return_pc(return_address), err_msg("must be a return address: " INTPTR_FORMAT, return_address)); |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
485 |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
486 // Reset method handle flag. |
|
1368
93767e6a2dfd
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
1299
diff
changeset
|
487 thread->set_is_method_handle_return(false); |
|
93767e6a2dfd
6941529: SharedRuntime::raw_exception_handler_for_return_address must reset thread MethodHandle flag
twisti
parents:
1299
diff
changeset
|
488 |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
489 // The fastest case first |
| 0 | 490 CodeBlob* blob = CodeCache::find_blob(return_address); |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
491 nmethod* nm = (blob != NULL) ? blob->as_nmethod_or_null() : NULL; |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
492 if (nm != NULL) { |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
493 // Set flag if return address is a method handle call site. |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
494 thread->set_is_method_handle_return(nm->is_method_handle_return(return_address)); |
| 0 | 495 // native nmethods don't have exception handlers |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
496 assert(!nm->is_native_method(), "no exception handler"); |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
497 assert(nm->header_begin() != nm->exception_begin(), "no exception handler"); |
|
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
498 if (nm->is_deopt_pc(return_address)) { |
|
17620
69dc1be43fce
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
17611
diff
changeset
|
499 // If we come here because of a stack overflow, the stack may be |
|
69dc1be43fce
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
17611
diff
changeset
|
500 // unguarded. Reguard the stack otherwise if we return to the |
|
69dc1be43fce
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
17611
diff
changeset
|
501 // deopt blob and the stack bang causes a stack overflow we |
|
69dc1be43fce
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
17611
diff
changeset
|
502 // crash. |
|
69dc1be43fce
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
17611
diff
changeset
|
503 bool guard_pages_enabled = thread->stack_yellow_zone_enabled(); |
|
69dc1be43fce
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
17611
diff
changeset
|
504 if (!guard_pages_enabled) guard_pages_enabled = thread->reguard_stack(); |
|
69dc1be43fce
8029873: compiler/uncommontrap/TestStackBangRbp.java crashes with SIGSEGV
roland
parents:
17611
diff
changeset
|
505 assert(guard_pages_enabled, "stack banging in deopt blob may cause crash"); |
| 0 | 506 return SharedRuntime::deopt_blob()->unpack_with_exception(); |
| 507 } else { | |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
508 return nm->exception_begin(); |
| 0 | 509 } |
| 510 } | |
| 511 | |
| 512 // Entry code | |
| 513 if (StubRoutines::returns_to_call_stub(return_address)) { | |
| 514 return StubRoutines::catch_exception_entry(); | |
| 515 } | |
| 516 // Interpreted code | |
| 517 if (Interpreter::contains(return_address)) { | |
| 518 return Interpreter::rethrow_exception_entry(); | |
| 519 } | |
| 520 | |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
521 guarantee(blob == NULL || !blob->is_runtime_stub(), "caller should have skipped stub"); |
| 0 | 522 guarantee(!VtableStubs::contains(return_address), "NULL exceptions in vtables should have been handled already!"); |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
523 |
| 0 | 524 #ifndef PRODUCT |
| 525 { ResourceMark rm; | |
| 526 tty->print_cr("No exception handler found for exception at " INTPTR_FORMAT " - potential problems:", return_address); | |
| 527 tty->print_cr("a) exception happened in (new?) code stubs/buffers that is not handled here"); | |
| 528 tty->print_cr("b) other problem"); | |
| 529 } | |
| 530 #endif // PRODUCT | |
|
2321
1b4e6a5d98e0
7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc
twisti
parents:
2192
diff
changeset
|
531 |
| 0 | 532 ShouldNotReachHere(); |
| 533 return NULL; | |
| 534 } | |
| 535 | |
| 536 | |
| 1295 | 537 JRT_LEAF(address, SharedRuntime::exception_handler_for_return_address(JavaThread* thread, address return_address)) |
| 538 return raw_exception_handler_for_return_address(thread, return_address); | |
| 0 | 539 JRT_END |
| 540 | |
| 1295 | 541 |
| 0 | 542 address SharedRuntime::get_poll_stub(address pc) { |
| 543 address stub; | |
| 544 // Look up the code blob | |
| 545 CodeBlob *cb = CodeCache::find_blob(pc); | |
| 546 | |
| 547 // Should be an nmethod | |
| 548 assert( cb && cb->is_nmethod(), "safepoint polling: pc must refer to an nmethod" ); | |
| 549 | |
| 550 // Look up the relocation information | |
| 551 assert( ((nmethod*)cb)->is_at_poll_or_poll_return(pc), | |
| 552 "safepoint polling: type must be poll" ); | |
| 553 | |
| 554 assert( ((NativeInstruction*)pc)->is_safepoint_poll(), | |
| 555 "Only polling locations are used for safepoint"); | |
| 556 | |
| 557 bool at_poll_return = ((nmethod*)cb)->is_at_poll_return(pc); | |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
558 bool has_wide_vectors = ((nmethod*)cb)->has_wide_vectors(); |
| 0 | 559 if (at_poll_return) { |
| 560 assert(SharedRuntime::polling_page_return_handler_blob() != NULL, | |
| 561 "polling page return stub not created yet"); | |
| 1748 | 562 stub = SharedRuntime::polling_page_return_handler_blob()->entry_point(); |
|
6792
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
563 } else if (has_wide_vectors) { |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
564 assert(SharedRuntime::polling_page_vectors_safepoint_handler_blob() != NULL, |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
565 "polling page vectors safepoint stub not created yet"); |
|
137868b7aa6f
7196199: java/text/Bidi/Bug6665028.java failed: Bidi run count incorrect
kvn
parents:
6790
diff
changeset
|
566 stub = SharedRuntime::polling_page_vectors_safepoint_handler_blob()->entry_point(); |
| 0 | 567 } else { |
| 568 assert(SharedRuntime::polling_page_safepoint_handler_blob() != NULL, | |
| 569 "polling page safepoint stub not created yet"); | |
| 1748 | 570 stub = SharedRuntime::polling_page_safepoint_handler_blob()->entry_point(); |
| 0 | 571 } |
| 572 #ifndef PRODUCT | |
| 573 if( TraceSafepoint ) { | |
| 574 char buf[256]; | |
| 575 jio_snprintf(buf, sizeof(buf), | |
| 576 "... found polling page %s exception at pc = " | |
| 577 INTPTR_FORMAT ", stub =" INTPTR_FORMAT, | |
| 578 at_poll_return ? "return" : "loop", | |
| 579 (intptr_t)pc, (intptr_t)stub); | |
| 580 tty->print_raw_cr(buf); | |
| 581 } | |
| 582 #endif // PRODUCT | |
| 583 return stub; | |
| 584 } | |
| 585 | |
| 586 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
587 oop SharedRuntime::retrieve_receiver( Symbol* sig, frame caller ) { |
| 0 | 588 assert(caller.is_interpreted_frame(), ""); |
| 589 int args_size = ArgumentSizeComputer(sig).size() + 1; | |
| 590 assert(args_size <= caller.interpreter_frame_expression_stack_size(), "receiver must be on interpreter stack"); | |
|
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
12160
diff
changeset
|
591 oop result = cast_to_oop(*caller.interpreter_frame_tos_at(args_size - 1)); |
| 0 | 592 assert(Universe::heap()->is_in(result) && result->is_oop(), "receiver must be an oop"); |
| 593 return result; | |
| 594 } | |
| 595 | |
| 596 | |
| 597 void SharedRuntime::throw_and_post_jvmti_exception(JavaThread *thread, Handle h_exception) { | |
|
1213
6deeaebad47a
6902182: 4/4 Starting with jdwp agent should not incur performance penalty
dcubed
parents:
1187
diff
changeset
|
598 if (JvmtiExport::can_post_on_exceptions()) { |
| 0 | 599 vframeStream vfst(thread, true); |
| 600 methodHandle method = methodHandle(thread, vfst.method()); | |
| 601 address bcp = method()->bcp_from(vfst.bci()); | |
| 602 JvmtiExport::post_exception_throw(thread, method(), bcp, h_exception()); | |
| 603 } | |
| 604 Exceptions::_throw(thread, __FILE__, __LINE__, h_exception); | |
| 605 } | |
| 606 | |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
607 void SharedRuntime::throw_and_post_jvmti_exception(JavaThread *thread, Symbol* name, const char *message) { |
| 0 | 608 Handle h_exception = Exceptions::new_exception(thread, name, message); |
| 609 throw_and_post_jvmti_exception(thread, h_exception); | |
| 610 } | |
| 611 | |
|
610
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
612 // The interpreter code to call this tracing function is only |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
613 // called/generated when TraceRedefineClasses has the right bits |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
614 // set. Since obsolete methods are never compiled, we don't have |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
615 // to modify the compilers to generate calls to this function. |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
616 // |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
617 JRT_LEAF(int, SharedRuntime::rc_trace_method_entry( |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
618 JavaThread* thread, Method* method)) |
|
610
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
619 assert(RC_TRACE_IN_RANGE(0x00001000, 0x00002000), "wrong call"); |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
620 |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
621 if (method->is_obsolete()) { |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
622 // We are calling an obsolete method, but this is not necessarily |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
623 // an error. Our method could have been redefined just after we |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
624 // fetched the Method* from the constant pool. |
|
610
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
625 |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
626 // RC_TRACE macro has an embedded ResourceMark |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
627 RC_TRACE_WITH_THREAD(0x00001000, thread, |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
628 ("calling obsolete method '%s'", |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
629 method->name_and_sig_as_C_string())); |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
630 if (RC_TRACE_ENABLED(0x00002000)) { |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
631 // this option is provided to debug calls to obsolete methods |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
632 guarantee(false, "faulting at call to an obsolete method."); |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
633 } |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
634 } |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
635 return 0; |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
636 JRT_END |
|
70998f2e05ef
6805864: 4/3 Problem with jvmti->redefineClasses: some methods don't get redefined
dcubed
parents:
465
diff
changeset
|
637 |
| 0 | 638 // ret_pc points into caller; we are returning caller's exception handler |
| 639 // for given exception | |
| 640 address SharedRuntime::compute_compiled_exc_handler(nmethod* nm, address ret_pc, Handle& exception, | |
| 641 bool force_unwind, bool top_frame_only) { | |
| 642 assert(nm != NULL, "must exist"); | |
| 643 ResourceMark rm; | |
| 644 | |
| 645 ScopeDesc* sd = nm->scope_desc_at(ret_pc); | |
| 646 // determine handler bci, if any | |
| 647 EXCEPTION_MARK; | |
| 648 | |
| 649 int handler_bci = -1; | |
| 650 int scope_depth = 0; | |
| 651 if (!force_unwind) { | |
| 652 int bci = sd->bci(); | |
|
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
653 bool recursive_exception = false; |
| 0 | 654 do { |
| 655 bool skip_scope_increment = false; | |
| 656 // exception handler lookup | |
| 657 KlassHandle ek (THREAD, exception->klass()); | |
|
7469
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7199
diff
changeset
|
658 methodHandle mh(THREAD, sd->method()); |
|
0c8717a92b2d
8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9.
jiangli
parents:
7199
diff
changeset
|
659 handler_bci = Method::fast_exception_handler_bci_for(mh, ek, bci, THREAD); |
| 0 | 660 if (HAS_PENDING_EXCEPTION) { |
|
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
661 recursive_exception = true; |
| 0 | 662 // We threw an exception while trying to find the exception handler. |
| 663 // Transfer the new exception to the exception handle which will | |
| 664 // be set into thread local storage, and do another lookup for an | |
| 665 // exception handler for this exception, this time starting at the | |
| 666 // BCI of the exception handler which caused the exception to be | |
| 667 // thrown (bugs 4307310 and 4546590). Set "exception" reference | |
| 668 // argument to ensure that the correct exception is thrown (4870175). | |
| 669 exception = Handle(THREAD, PENDING_EXCEPTION); | |
| 670 CLEAR_PENDING_EXCEPTION; | |
| 671 if (handler_bci >= 0) { | |
| 672 bci = handler_bci; | |
| 673 handler_bci = -1; | |
| 674 skip_scope_increment = true; | |
| 675 } | |
| 676 } | |
|
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
677 else { |
|
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
678 recursive_exception = false; |
|
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
679 } |
| 0 | 680 if (!top_frame_only && handler_bci < 0 && !skip_scope_increment) { |
| 681 sd = sd->sender(); | |
| 682 if (sd != NULL) { | |
| 683 bci = sd->bci(); | |
| 684 } | |
| 685 ++scope_depth; | |
| 686 } | |
|
3998
ec5ce9326985
6865265: JVM crashes with "missing exception handler" error
kvn
parents:
3841
diff
changeset
|
687 } while (recursive_exception || (!top_frame_only && handler_bci < 0 && sd != NULL)); |
| 0 | 688 } |
| 689 | |
| 690 // found handling method => lookup exception handler | |
| 1748 | 691 int catch_pco = ret_pc - nm->code_begin(); |
| 0 | 692 |
| 693 ExceptionHandlerTable table(nm); | |
| 694 HandlerTableEntry *t = table.entry_for(catch_pco, handler_bci, scope_depth); | |
| 695 if (t == NULL && (nm->is_compiled_by_c1() || handler_bci != -1)) { | |
| 696 // Allow abbreviated catch tables. The idea is to allow a method | |
| 697 // to materialize its exceptions without committing to the exact | |
| 698 // routing of exceptions. In particular this is needed for adding | |
| 699 // a synthethic handler to unlock monitors when inlining | |
| 700 // synchonized methods since the unlock path isn't represented in | |
| 701 // the bytecodes. | |
| 702 t = table.entry_for(catch_pco, -1, 0); | |
| 703 } | |
| 704 | |
|
1378
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
705 #ifdef COMPILER1 |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
706 if (t == NULL && nm->is_compiled_by_c1()) { |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
707 assert(nm->unwind_handler_begin() != NULL, ""); |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
708 return nm->unwind_handler_begin(); |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
709 } |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
710 #endif |
|
9f5b60a14736
6939930: exception unwind changes in 6919934 hurts compilation speed
never
parents:
1368
diff
changeset
|
711 |
| 0 | 712 if (t == NULL) { |
| 713 tty->print_cr("MISSING EXCEPTION HANDLER for pc " INTPTR_FORMAT " and handler bci %d", ret_pc, handler_bci); | |
| 714 tty->print_cr(" Exception:"); | |
| 715 exception->print(); | |
| 716 tty->cr(); | |
| 717 tty->print_cr(" Compiled exception table :"); | |
| 718 table.print(); | |
| 719 nm->print_code(); | |
| 720 guarantee(false, "missing exception handler"); | |
| 721 return NULL; | |
| 722 } | |
| 723 | |
| 1748 | 724 return nm->code_begin() + t->pco(); |
| 0 | 725 } |
| 726 | |
| 727 JRT_ENTRY(void, SharedRuntime::throw_AbstractMethodError(JavaThread* thread)) | |
| 728 // These errors occur only at call sites | |
| 729 throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_AbstractMethodError()); | |
| 730 JRT_END | |
| 731 | |
|
16
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
732 JRT_ENTRY(void, SharedRuntime::throw_IncompatibleClassChangeError(JavaThread* thread)) |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
733 // These errors occur only at call sites |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
734 throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_IncompatibleClassChangeError(), "vtable stub"); |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
735 JRT_END |
|
f8236e79048a
6664627: Merge changes made only in hotspot 11 forward to jdk 7
dcubed
parents:
0
diff
changeset
|
736 |
| 0 | 737 JRT_ENTRY(void, SharedRuntime::throw_ArithmeticException(JavaThread* thread)) |
| 738 throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_ArithmeticException(), "/ by zero"); | |
| 739 JRT_END | |
| 740 | |
| 741 JRT_ENTRY(void, SharedRuntime::throw_NullPointerException(JavaThread* thread)) | |
| 742 throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); | |
| 743 JRT_END | |
| 744 | |
| 745 JRT_ENTRY(void, SharedRuntime::throw_NullPointerException_at_call(JavaThread* thread)) | |
| 746 // This entry point is effectively only used for NullPointerExceptions which occur at inline | |
| 747 // cache sites (when the callee activation is not yet set up) so we are at a call site | |
| 748 throw_and_post_jvmti_exception(thread, vmSymbols::java_lang_NullPointerException()); | |
| 749 JRT_END | |
| 750 | |
| 751 JRT_ENTRY(void, SharedRuntime::throw_StackOverflowError(JavaThread* thread)) | |
| 752 // We avoid using the normal exception construction in this case because | |
| 753 // it performs an upcall to Java, and we're already out of stack space. | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
754 Klass* k = SystemDictionary::StackOverflowError_klass(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
755 oop exception_oop = InstanceKlass::cast(k)->allocate_instance(CHECK); |
| 0 | 756 Handle exception (thread, exception_oop); |
| 757 if (StackTraceInThrowable) { | |
| 758 java_lang_Throwable::fill_in_stack_trace(exception); | |
| 759 } | |
| 760 throw_and_post_jvmti_exception(thread, exception); | |
| 761 JRT_END | |
| 762 | |
| 763 address SharedRuntime::continuation_for_implicit_exception(JavaThread* thread, | |
| 764 address pc, | |
| 765 SharedRuntime::ImplicitExceptionKind exception_kind) | |
| 766 { | |
| 767 address target_pc = NULL; | |
| 768 | |
| 769 if (Interpreter::contains(pc)) { | |
| 770 #ifdef CC_INTERP | |
| 771 // C++ interpreter doesn't throw implicit exceptions | |
| 772 ShouldNotReachHere(); | |
| 773 #else | |
| 774 switch (exception_kind) { | |
| 775 case IMPLICIT_NULL: return Interpreter::throw_NullPointerException_entry(); | |
| 776 case IMPLICIT_DIVIDE_BY_ZERO: return Interpreter::throw_ArithmeticException_entry(); | |
| 777 case STACK_OVERFLOW: return Interpreter::throw_StackOverflowError_entry(); | |
| 778 default: ShouldNotReachHere(); | |
| 779 } | |
| 780 #endif // !CC_INTERP | |
| 781 } else { | |
| 782 switch (exception_kind) { | |
| 783 case STACK_OVERFLOW: { | |
| 784 // Stack overflow only occurs upon frame setup; the callee is | |
| 785 // going to be unwound. Dispatch to a shared runtime stub | |
| 786 // which will cause the StackOverflowError to be fabricated | |
| 787 // and processed. | |
|
17980
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17937
diff
changeset
|
788 // Stack overflow should never occur during deoptimization: |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17937
diff
changeset
|
789 // the compiled method bangs the stack by as much as the |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17937
diff
changeset
|
790 // interpreter would need in case of a deoptimization. The |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17937
diff
changeset
|
791 // deoptimization blob and uncommon trap blob bang the stack |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17937
diff
changeset
|
792 // in a debug VM to verify the correctness of the compiled |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17937
diff
changeset
|
793 // method stack banging. |
|
0bf37f737702
8032410: compiler/uncommontrap/TestStackBangRbp.java times out on Solaris-Sparc V9
roland
parents:
17937
diff
changeset
|
794 assert(thread->deopt_mark() == NULL, "no stack overflow from deopt blob/uncommon trap"); |
| 4944 | 795 Events::log_exception(thread, "StackOverflowError at " INTPTR_FORMAT, pc); |
| 0 | 796 return StubRoutines::throw_StackOverflowError_entry(); |
| 797 } | |
| 798 | |
| 799 case IMPLICIT_NULL: { | |
| 800 if (VtableStubs::contains(pc)) { | |
| 801 // We haven't yet entered the callee frame. Fabricate an | |
| 802 // exception and begin dispatching it in the caller. Since | |
| 803 // the caller was at a call site, it's safe to destroy all | |
| 804 // caller-saved registers, as these entry points do. | |
| 805 VtableStub* vt_stub = VtableStubs::stub_containing(pc); | |
|
465
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
806 |
|
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
807 // If vt_stub is NULL, then return NULL to signal handler to report the SEGV error. |
|
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
808 if (vt_stub == NULL) return NULL; |
|
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
809 |
| 0 | 810 if (vt_stub->is_abstract_method_error(pc)) { |
| 811 assert(!vt_stub->is_vtable_stub(), "should never see AbstractMethodErrors from vtable-type VtableStubs"); | |
| 4944 | 812 Events::log_exception(thread, "AbstractMethodError at " INTPTR_FORMAT, pc); |
| 0 | 813 return StubRoutines::throw_AbstractMethodError_entry(); |
| 814 } else { | |
| 4944 | 815 Events::log_exception(thread, "NullPointerException at vtable entry " INTPTR_FORMAT, pc); |
| 0 | 816 return StubRoutines::throw_NullPointerException_at_call_entry(); |
| 817 } | |
| 818 } else { | |
| 819 CodeBlob* cb = CodeCache::find_blob(pc); | |
|
465
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
820 |
|
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
821 // If code blob is NULL, then return NULL to signal handler to report the SEGV error. |
|
dc16daa0329d
6739363: Xcheck jni doesn't check native function arguments
poonam
parents:
356
diff
changeset
|
822 if (cb == NULL) return NULL; |
| 0 | 823 |
| 824 // Exception happened in CodeCache. Must be either: | |
| 825 // 1. Inline-cache check in C2I handler blob, | |
| 826 // 2. Inline-cache check in nmethod, or | |
| 827 // 3. Implict null exception in nmethod | |
| 828 | |
| 829 if (!cb->is_nmethod()) { | |
| 11029 | 830 bool is_in_blob = cb->is_adapter_blob() || cb->is_method_handles_adapter_blob(); |
| 831 if (!is_in_blob) { | |
| 832 cb->print(); | |
| 833 fatal(err_msg("exception happened outside interpreter, nmethods and vtable stubs at pc " INTPTR_FORMAT, pc)); | |
| 834 } | |
| 4944 | 835 Events::log_exception(thread, "NullPointerException in code blob at " INTPTR_FORMAT, pc); |
| 0 | 836 // There is no handler here, so we will simply unwind. |
| 837 return StubRoutines::throw_NullPointerException_at_call_entry(); | |
| 838 } | |
| 839 | |
| 840 // Otherwise, it's an nmethod. Consult its exception handlers. | |
| 841 nmethod* nm = (nmethod*)cb; | |
| 842 if (nm->inlinecache_check_contains(pc)) { | |
| 843 // exception happened inside inline-cache check code | |
| 844 // => the nmethod is not yet active (i.e., the frame | |
| 845 // is not set up yet) => use return address pushed by | |
| 846 // caller => don't push another return address | |
| 4944 | 847 Events::log_exception(thread, "NullPointerException in IC check " INTPTR_FORMAT, pc); |
| 0 | 848 return StubRoutines::throw_NullPointerException_at_call_entry(); |
| 849 } | |
| 850 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
851 if (nm->method()->is_method_handle_intrinsic()) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
852 // exception happened inside MH dispatch code, similar to a vtable stub |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
853 Events::log_exception(thread, "NullPointerException in MH adapter " INTPTR_FORMAT, pc); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
854 return StubRoutines::throw_NullPointerException_at_call_entry(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
855 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
856 |
| 0 | 857 #ifndef PRODUCT |
| 858 _implicit_null_throws++; | |
| 859 #endif | |
| 860 target_pc = nm->continuation_for_implicit_exception(pc); | |
| 1250 | 861 // If there's an unexpected fault, target_pc might be NULL, |
| 862 // in which case we want to fall through into the normal | |
| 863 // error handling code. | |
| 0 | 864 } |
| 865 | |
| 866 break; // fall through | |
| 867 } | |
| 868 | |
| 869 | |
| 870 case IMPLICIT_DIVIDE_BY_ZERO: { | |
| 871 nmethod* nm = CodeCache::find_nmethod(pc); | |
| 872 guarantee(nm != NULL, "must have containing nmethod for implicit division-by-zero exceptions"); | |
| 873 #ifndef PRODUCT | |
| 874 _implicit_div0_throws++; | |
| 875 #endif | |
| 876 target_pc = nm->continuation_for_implicit_exception(pc); | |
| 1250 | 877 // If there's an unexpected fault, target_pc might be NULL, |
| 878 // in which case we want to fall through into the normal | |
| 879 // error handling code. | |
| 0 | 880 break; // fall through |
| 881 } | |
| 882 | |
| 883 default: ShouldNotReachHere(); | |
| 884 } | |
| 885 | |
| 886 assert(exception_kind == IMPLICIT_NULL || exception_kind == IMPLICIT_DIVIDE_BY_ZERO, "wrong implicit exception kind"); | |
| 887 | |
| 888 // for AbortVMOnException flag | |
| 889 NOT_PRODUCT(Exceptions::debug_check_abort("java.lang.NullPointerException")); | |
| 890 if (exception_kind == IMPLICIT_NULL) { | |
|
4872
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4807
diff
changeset
|
891 Events::log_exception(thread, "Implicit null exception at " INTPTR_FORMAT " to " INTPTR_FORMAT, pc, target_pc); |
| 0 | 892 } else { |
|
4872
aa3d708d67c4
7141200: log some interesting information in ring buffers for crashes
never
parents:
4807
diff
changeset
|
893 Events::log_exception(thread, "Implicit division by zero exception at " INTPTR_FORMAT " to " INTPTR_FORMAT, pc, target_pc); |
| 0 | 894 } |
| 895 return target_pc; | |
| 896 } | |
| 897 | |
| 898 ShouldNotReachHere(); | |
| 899 return NULL; | |
| 900 } | |
| 901 | |
| 902 | |
|
10276
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
903 /** |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
904 * Throws an java/lang/UnsatisfiedLinkError. The address of this method is |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
905 * installed in the native function entry of all native Java methods before |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
906 * they get linked to their actual native methods. |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
907 * |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
908 * \note |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
909 * This method actually never gets called! The reason is because |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
910 * the interpreter's native entries call NativeLookup::lookup() which |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
911 * throws the exception when the lookup fails. The exception is then |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
912 * caught and forwarded on the return from NativeLookup::lookup() call |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
913 * before the call to the native function. This might change in the future. |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
914 */ |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
915 JNI_ENTRY(void*, throw_unsatisfied_link_error(JNIEnv* env, ...)) |
| 0 | 916 { |
|
10276
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
917 // We return a bad value here to make sure that the exception is |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
918 // forwarded before we look at the return value. |
|
f0bc60565ba8
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
10199
diff
changeset
|
919 THROW_(vmSymbols::java_lang_UnsatisfiedLinkError(), (void*)badJNIHandle); |
|
6271
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
920 } |
|
93c71eb28866
7188911: nightly failures after JSR 292 lazy method handle update (round 2)
twisti
parents:
6266
diff
changeset
|
921 JNI_END |
| 0 | 922 |
| 923 address SharedRuntime::native_method_throw_unsatisfied_link_error_entry() { | |
| 924 return CAST_FROM_FN_PTR(address, &throw_unsatisfied_link_error); | |
| 925 } | |
| 926 | |
| 927 | |
| 928 #ifndef PRODUCT | |
| 929 JRT_ENTRY(intptr_t, SharedRuntime::trace_bytecode(JavaThread* thread, intptr_t preserve_this_value, intptr_t tos, intptr_t tos2)) | |
| 930 const frame f = thread->last_frame(); | |
| 931 assert(f.is_interpreted_frame(), "must be an interpreted frame"); | |
| 932 #ifndef PRODUCT | |
| 933 methodHandle mh(THREAD, f.interpreter_frame_method()); | |
| 934 BytecodeTracer::trace(mh, f.interpreter_frame_bcp(), tos, tos2); | |
| 935 #endif // !PRODUCT | |
| 936 return preserve_this_value; | |
| 937 JRT_END | |
| 938 #endif // !PRODUCT | |
| 939 | |
| 940 | |
| 941 JRT_ENTRY(void, SharedRuntime::yield_all(JavaThread* thread, int attempts)) | |
| 942 os::yield_all(attempts); | |
| 943 JRT_END | |
| 944 | |
| 945 | |
| 946 JRT_ENTRY_NO_ASYNC(void, SharedRuntime::register_finalizer(JavaThread* thread, oopDesc* obj)) | |
| 947 assert(obj->is_oop(), "must be a valid oop"); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
948 assert(obj->klass()->has_finalizer(), "shouldn't be here otherwise"); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
949 InstanceKlass::register_finalizer(instanceOop(obj), CHECK); |
| 0 | 950 JRT_END |
| 951 | |
| 952 | |
| 953 jlong SharedRuntime::get_java_tid(Thread* thread) { | |
| 954 if (thread != NULL) { | |
| 955 if (thread->is_Java_thread()) { | |
| 956 oop obj = ((JavaThread*)thread)->threadObj(); | |
| 957 return (obj == NULL) ? 0 : java_lang_Thread::thread_id(obj); | |
| 958 } | |
| 959 } | |
| 960 return 0; | |
| 961 } | |
| 962 | |
| 963 /** | |
| 964 * This function ought to be a void function, but cannot be because | |
| 965 * it gets turned into a tail-call on sparc, which runs into dtrace bug | |
| 966 * 6254741. Once that is fixed we can remove the dummy return value. | |
| 967 */ | |
|
17884
cf9f24de0b93
8039904: dtrace/hotspot/Monitors/Monitors001 fails with "assert(s > 0) failed: Bad size calculated"
coleenp
parents:
17795
diff
changeset
|
968 int SharedRuntime::dtrace_object_alloc(oopDesc* o, int size) { |
|
cf9f24de0b93
8039904: dtrace/hotspot/Monitors/Monitors001 fails with "assert(s > 0) failed: Bad size calculated"
coleenp
parents:
17795
diff
changeset
|
969 return dtrace_object_alloc_base(Thread::current(), o, size); |
| 0 | 970 } |
| 971 | |
|
17884
cf9f24de0b93
8039904: dtrace/hotspot/Monitors/Monitors001 fails with "assert(s > 0) failed: Bad size calculated"
coleenp
parents:
17795
diff
changeset
|
972 int SharedRuntime::dtrace_object_alloc_base(Thread* thread, oopDesc* o, int size) { |
| 0 | 973 assert(DTraceAllocProbes, "wrong call"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
974 Klass* klass = o->klass(); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
975 Symbol* name = klass->name(); |
| 4006 | 976 #ifndef USDT2 |
| 0 | 977 HS_DTRACE_PROBE4(hotspot, object__alloc, get_java_tid(thread), |
| 978 name->bytes(), name->utf8_length(), size * HeapWordSize); | |
| 4006 | 979 #else /* USDT2 */ |
| 980 HOTSPOT_OBJECT_ALLOC( | |
| 981 get_java_tid(thread), | |
| 982 (char *) name->bytes(), name->utf8_length(), size * HeapWordSize); | |
| 983 #endif /* USDT2 */ | |
| 0 | 984 return 0; |
| 985 } | |
| 986 | |
| 987 JRT_LEAF(int, SharedRuntime::dtrace_method_entry( | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
988 JavaThread* thread, Method* method)) |
| 0 | 989 assert(DTraceMethodProbes, "wrong call"); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
990 Symbol* kname = method->klass_name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
991 Symbol* name = method->name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
992 Symbol* sig = method->signature(); |
| 4006 | 993 #ifndef USDT2 |
| 0 | 994 HS_DTRACE_PROBE7(hotspot, method__entry, get_java_tid(thread), |
| 995 kname->bytes(), kname->utf8_length(), | |
| 996 name->bytes(), name->utf8_length(), | |
| 997 sig->bytes(), sig->utf8_length()); | |
| 4006 | 998 #else /* USDT2 */ |
| 999 HOTSPOT_METHOD_ENTRY( | |
| 1000 get_java_tid(thread), | |
| 1001 (char *) kname->bytes(), kname->utf8_length(), | |
| 1002 (char *) name->bytes(), name->utf8_length(), | |
| 1003 (char *) sig->bytes(), sig->utf8_length()); | |
| 1004 #endif /* USDT2 */ | |
| 0 | 1005 return 0; |
| 1006 JRT_END | |
| 1007 | |
| 1008 JRT_LEAF(int, SharedRuntime::dtrace_method_exit( | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1009 JavaThread* thread, Method* method)) |
| 0 | 1010 assert(DTraceMethodProbes, "wrong call"); |
|
2177
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1011 Symbol* kname = method->klass_name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1012 Symbol* name = method->name(); |
|
3582bf76420e
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
2142
diff
changeset
|
1013 Symbol* sig = method->signature(); |
| 4006 | 1014 #ifndef USDT2 |
| 0 | 1015 HS_DTRACE_PROBE7(hotspot, method__return, get_java_tid(thread), |
| 1016 kname->bytes(), kname->utf8_length(), | |
| 1017 name->bytes(), name->utf8_length(), | |
| 1018 sig->bytes(), sig->utf8_length()); | |
| 4006 | 1019 #else /* USDT2 */ |
| 1020 HOTSPOT_METHOD_RETURN( | |
| 1021 get_java_tid(thread), | |
| 1022 (char *) kname->bytes(), kname->utf8_length(), | |
| 1023 (char *) name->bytes(), name->utf8_length(), | |
| 1024 (char *) sig->bytes(), sig->utf8_length()); | |
| 1025 #endif /* USDT2 */ | |
| 0 | 1026 return 0; |
| 1027 JRT_END | |
| 1028 | |
| 1029 | |
| 1030 // Finds receiver, CallInfo (i.e. receiver method), and calling bytecode) | |
| 1031 // for a call current in progress, i.e., arguments has been pushed on stack | |
| 1032 // put callee has not been invoked yet. Used by: resolve virtual/static, | |
| 1033 // vtable updates, etc. Caller frame must be compiled. | |
| 1034 Handle SharedRuntime::find_callee_info(JavaThread* thread, Bytecodes::Code& bc, CallInfo& callinfo, TRAPS) { | |
| 1035 ResourceMark rm(THREAD); | |
| 1036 | |
| 1037 // last java frame on stack (which includes native call frames) | |
| 1038 vframeStream vfst(thread, true); // Do not skip and javaCalls | |
| 1039 | |
| 1040 return find_callee_info_helper(thread, vfst, bc, callinfo, CHECK_(Handle())); | |
| 1041 } | |
| 1042 | |
| 1043 | |
| 1044 // Finds receiver, CallInfo (i.e. receiver method), and calling bytecode | |
| 1045 // for a call current in progress, i.e., arguments has been pushed on stack | |
| 1046 // but callee has not been invoked yet. Caller frame must be compiled. | |
| 1047 Handle SharedRuntime::find_callee_info_helper(JavaThread* thread, | |
| 1048 vframeStream& vfst, | |
| 1049 Bytecodes::Code& bc, | |
| 1050 CallInfo& callinfo, TRAPS) { | |
| 1051 Handle receiver; | |
| 1052 Handle nullHandle; //create a handy null handle for exception returns | |
| 1053 | |
| 1054 assert(!vfst.at_end(), "Java frame must exist"); | |
| 1055 | |
| 1056 // Find caller and bci from vframe | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1057 methodHandle caller(THREAD, vfst.method()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1058 int bci = vfst.bci(); |
| 0 | 1059 |
| 1060 // Find bytecode | |
| 2142 | 1061 Bytecode_invoke bytecode(caller, bci); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1062 bc = bytecode.invoke_code(); |
| 2142 | 1063 int bytecode_index = bytecode.index(); |
| 0 | 1064 |
| 1065 // Find receiver for non-static call | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1066 if (bc != Bytecodes::_invokestatic && |
|
12160
f98f5d48f511
7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents:
11029
diff
changeset
|
1067 bc != Bytecodes::_invokedynamic && |
|
f98f5d48f511
7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents:
11029
diff
changeset
|
1068 bc != Bytecodes::_invokehandle) { |
| 0 | 1069 // This register map must be update since we need to find the receiver for |
| 1070 // compiled frames. The receiver might be in a register. | |
| 1071 RegisterMap reg_map2(thread); | |
| 1072 frame stubFrame = thread->last_frame(); | |
| 1073 // Caller-frame is a compiled frame | |
| 1074 frame callerFrame = stubFrame.sender(®_map2); | |
| 1075 | |
| 2142 | 1076 methodHandle callee = bytecode.static_target(CHECK_(nullHandle)); |
| 0 | 1077 if (callee.is_null()) { |
| 1078 THROW_(vmSymbols::java_lang_NoSuchMethodException(), nullHandle); | |
| 1079 } | |
| 1080 // Retrieve from a compiled argument list | |
| 1081 receiver = Handle(THREAD, callerFrame.retrieve_receiver(®_map2)); | |
| 1082 | |
| 1083 if (receiver.is_null()) { | |
| 1084 THROW_(vmSymbols::java_lang_NullPointerException(), nullHandle); | |
| 1085 } | |
| 1086 } | |
| 1087 | |
| 1088 // Resolve method. This is parameterized by bytecode. | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1089 constantPoolHandle constants(THREAD, caller->constants()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1090 assert(receiver.is_null() || receiver->is_oop(), "wrong receiver"); |
| 0 | 1091 LinkResolver::resolve_invoke(callinfo, receiver, constants, bytecode_index, bc, CHECK_(nullHandle)); |
| 1092 | |
| 1093 #ifdef ASSERT | |
| 1094 // Check that the receiver klass is of the right subtype and that it is initialized for virtual calls | |
|
12160
f98f5d48f511
7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents:
11029
diff
changeset
|
1095 if (bc != Bytecodes::_invokestatic && bc != Bytecodes::_invokedynamic && bc != Bytecodes::_invokehandle) { |
| 0 | 1096 assert(receiver.not_null(), "should have thrown exception"); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1097 KlassHandle receiver_klass(THREAD, receiver->klass()); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1098 Klass* rk = constants->klass_ref_at(bytecode_index, CHECK_(nullHandle)); |
| 0 | 1099 // klass is already loaded |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1100 KlassHandle static_receiver_klass(THREAD, rk); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1101 // Method handle invokes might have been optimized to a direct call |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1102 // so don't check for the receiver class. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1103 // FIXME this weakens the assert too much |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1104 methodHandle callee = callinfo.selected_method(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1105 assert(receiver_klass->is_subtype_of(static_receiver_klass()) || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1106 callee->is_method_handle_intrinsic() || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1107 callee->is_compiled_lambda_form(), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1108 "actual receiver must be subclass of static receiver klass"); |
| 0 | 1109 if (receiver_klass->oop_is_instance()) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1110 if (InstanceKlass::cast(receiver_klass())->is_not_initialized()) { |
| 0 | 1111 tty->print_cr("ERROR: Klass not yet initialized!!"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1112 receiver_klass()->print(); |
| 0 | 1113 } |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1114 assert(!InstanceKlass::cast(receiver_klass())->is_not_initialized(), "receiver_klass must be initialized"); |
| 0 | 1115 } |
| 1116 } | |
| 1117 #endif | |
| 1118 | |
| 1119 return receiver; | |
| 1120 } | |
| 1121 | |
| 1122 methodHandle SharedRuntime::find_callee_method(JavaThread* thread, TRAPS) { | |
| 1123 ResourceMark rm(THREAD); | |
| 1124 // We need first to check if any Java activations (compiled, interpreted) | |
| 1125 // exist on the stack since last JavaCall. If not, we need | |
| 1126 // to get the target method from the JavaCall wrapper. | |
| 1127 vframeStream vfst(thread, true); // Do not skip any javaCalls | |
| 1128 methodHandle callee_method; | |
| 1129 if (vfst.at_end()) { | |
| 1130 // No Java frames were found on stack since we did the JavaCall. | |
| 1131 // Hence the stack can only contain an entry_frame. We need to | |
| 1132 // find the target method from the stub frame. | |
| 1133 RegisterMap reg_map(thread, false); | |
| 1134 frame fr = thread->last_frame(); | |
| 1135 assert(fr.is_runtime_frame(), "must be a runtimeStub"); | |
| 1136 fr = fr.sender(®_map); | |
| 1137 assert(fr.is_entry_frame(), "must be"); | |
| 1138 // fr is now pointing to the entry frame. | |
| 1139 callee_method = methodHandle(THREAD, fr.entry_frame_call_wrapper()->callee_method()); | |
| 1140 assert(fr.entry_frame_call_wrapper()->receiver() == NULL || !callee_method->is_static(), "non-null receiver for static call??"); | |
| 1141 } else { | |
| 1142 Bytecodes::Code bc; | |
| 1143 CallInfo callinfo; | |
| 1144 find_callee_info_helper(thread, vfst, bc, callinfo, CHECK_(methodHandle())); | |
| 1145 callee_method = callinfo.selected_method(); | |
| 1146 } | |
| 1147 assert(callee_method()->is_method(), "must be"); | |
| 1148 return callee_method; | |
| 1149 } | |
| 1150 | |
| 1151 // Resolves a call. | |
| 1152 methodHandle SharedRuntime::resolve_helper(JavaThread *thread, | |
| 1153 bool is_virtual, | |
| 1154 bool is_optimized, TRAPS) { | |
| 1155 methodHandle callee_method; | |
| 1156 callee_method = resolve_sub_helper(thread, is_virtual, is_optimized, THREAD); | |
| 1157 if (JvmtiExport::can_hotswap_or_post_breakpoint()) { | |
| 1158 int retry_count = 0; | |
| 1159 while (!HAS_PENDING_EXCEPTION && callee_method->is_old() && | |
| 1142 | 1160 callee_method->method_holder() != SystemDictionary::Object_klass()) { |
| 0 | 1161 // If has a pending exception then there is no need to re-try to |
| 1162 // resolve this method. | |
| 1163 // If the method has been redefined, we need to try again. | |
| 1164 // Hack: we have no way to update the vtables of arrays, so don't | |
| 1165 // require that java.lang.Object has been updated. | |
| 1166 | |
| 1167 // It is very unlikely that method is redefined more than 100 times | |
| 1168 // in the middle of resolve. If it is looping here more than 100 times | |
| 1169 // means then there could be a bug here. | |
| 1170 guarantee((retry_count++ < 100), | |
| 1171 "Could not resolve to latest version of redefined method"); | |
| 1172 // method is redefined in the middle of resolve so re-try. | |
| 1173 callee_method = resolve_sub_helper(thread, is_virtual, is_optimized, THREAD); | |
| 1174 } | |
| 1175 } | |
| 1176 return callee_method; | |
| 1177 } | |
| 1178 | |
| 1179 // Resolves a call. The compilers generate code for calls that go here | |
| 1180 // and are patched with the real destination of the call. | |
| 1181 methodHandle SharedRuntime::resolve_sub_helper(JavaThread *thread, | |
| 1182 bool is_virtual, | |
| 1183 bool is_optimized, TRAPS) { | |
| 1184 | |
| 1185 ResourceMark rm(thread); | |
| 1186 RegisterMap cbl_map(thread, false); | |
| 1187 frame caller_frame = thread->last_frame().sender(&cbl_map); | |
| 1188 | |
| 1295 | 1189 CodeBlob* caller_cb = caller_frame.cb(); |
| 1190 guarantee(caller_cb != NULL && caller_cb->is_nmethod(), "must be called from nmethod"); | |
| 1191 nmethod* caller_nm = caller_cb->as_nmethod_or_null(); | |
| 13441 | 1192 |
| 0 | 1193 // make sure caller is not getting deoptimized |
| 1194 // and removed before we are done with it. | |
| 1195 // CLEANUP - with lazy deopt shouldn't need this lock | |
| 1295 | 1196 nmethodLocker caller_lock(caller_nm); |
| 0 | 1197 |
| 1198 // determine call info & receiver | |
| 1199 // note: a) receiver is NULL for static calls | |
| 1200 // b) an exception is thrown if receiver is NULL for non-static calls | |
| 1201 CallInfo call_info; | |
| 1202 Bytecodes::Code invoke_code = Bytecodes::_illegal; | |
| 1203 Handle receiver = find_callee_info(thread, invoke_code, | |
| 1204 call_info, CHECK_(methodHandle())); | |
| 1205 methodHandle callee_method = call_info.selected_method(); | |
| 1206 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1207 assert((!is_virtual && invoke_code == Bytecodes::_invokestatic ) || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1208 (!is_virtual && invoke_code == Bytecodes::_invokehandle ) || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1209 (!is_virtual && invoke_code == Bytecodes::_invokedynamic) || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1210 ( is_virtual && invoke_code != Bytecodes::_invokestatic ), "inconsistent bytecode"); |
| 0 | 1211 |
| 13441 | 1212 // We do not patch the call site if the caller nmethod has been made non-entrant. |
| 1213 if (!caller_nm->is_in_use()) { | |
| 1214 return callee_method; | |
| 1215 } | |
| 1216 | |
| 0 | 1217 #ifndef PRODUCT |
| 1218 // tracing/debugging/statistics | |
| 1219 int *addr = (is_optimized) ? (&_resolve_opt_virtual_ctr) : | |
| 1220 (is_virtual) ? (&_resolve_virtual_ctr) : | |
| 1221 (&_resolve_static_ctr); | |
| 1222 Atomic::inc(addr); | |
| 1223 | |
| 1224 if (TraceCallFixup) { | |
| 1225 ResourceMark rm(thread); | |
| 1226 tty->print("resolving %s%s (%s) call to", | |
| 1227 (is_optimized) ? "optimized " : "", (is_virtual) ? "virtual" : "static", | |
| 1228 Bytecodes::name(invoke_code)); | |
| 1229 callee_method->print_short_name(tty); | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1230 tty->print_cr(" at pc: " INTPTR_FORMAT " to code: " INTPTR_FORMAT, caller_frame.pc(), callee_method->code()); |
| 0 | 1231 } |
| 1232 #endif | |
| 1233 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1234 // JSR 292 key invariant: |
| 1295 | 1235 // If the resolved method is a MethodHandle invoke target the call |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1236 // site must be a MethodHandle call site, because the lambda form might tail-call |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1237 // leaving the stack in a state unknown to either caller or callee |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1238 // TODO detune for now but we might need it again |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1239 // assert(!callee_method->is_compiled_lambda_form() || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1240 // caller_nm->is_method_handle_return(caller_frame.pc()), "must be MH call site"); |
| 1295 | 1241 |
| 0 | 1242 // Compute entry points. This might require generation of C2I converter |
| 1243 // frames, so we cannot be holding any locks here. Furthermore, the | |
| 1244 // computation of the entry points is independent of patching the call. We | |
| 1245 // always return the entry-point, but we only patch the stub if the call has | |
| 1246 // not been deoptimized. Return values: For a virtual call this is an | |
| 1247 // (cached_oop, destination address) pair. For a static call/optimized | |
| 1248 // virtual this is just a destination address. | |
| 1249 | |
| 1250 StaticCallInfo static_call_info; | |
| 1251 CompiledICInfo virtual_call_info; | |
| 1252 | |
| 1253 // Make sure the callee nmethod does not get deoptimized and removed before | |
| 1254 // we are done patching the code. | |
| 1295 | 1255 nmethod* callee_nm = callee_method->code(); |
| 13441 | 1256 if (callee_nm != NULL && !callee_nm->is_in_use()) { |
| 1257 // Patch call site to C2I adapter if callee nmethod is deoptimized or unloaded. | |
| 1258 callee_nm = NULL; | |
| 1259 } | |
| 1295 | 1260 nmethodLocker nl_callee(callee_nm); |
| 0 | 1261 #ifdef ASSERT |
| 1295 | 1262 address dest_entry_point = callee_nm == NULL ? 0 : callee_nm->entry_point(); // used below |
| 0 | 1263 #endif |
| 1264 | |
| 1265 if (is_virtual) { | |
|
12160
f98f5d48f511
7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents:
11029
diff
changeset
|
1266 assert(receiver.not_null() || invoke_code == Bytecodes::_invokehandle, "sanity check"); |
| 0 | 1267 bool static_bound = call_info.resolved_method()->can_be_statically_bound(); |
|
12160
f98f5d48f511
7199175: JSR 292: C1 needs patching when invokedynamic/invokehandle call site is not linked
roland
parents:
11029
diff
changeset
|
1268 KlassHandle h_klass(THREAD, invoke_code == Bytecodes::_invokehandle ? NULL : receiver->klass()); |
| 0 | 1269 CompiledIC::compute_monomorphic_entry(callee_method, h_klass, |
| 1270 is_optimized, static_bound, virtual_call_info, | |
| 1271 CHECK_(methodHandle())); | |
| 1272 } else { | |
| 1273 // static call | |
| 1274 CompiledStaticCall::compute_entry(callee_method, static_call_info); | |
| 1275 } | |
| 1276 | |
| 1277 // grab lock, check for deoptimization and potentially patch caller | |
| 1278 { | |
| 1279 MutexLocker ml_patch(CompiledIC_lock); | |
| 1280 | |
| 13441 | 1281 // Lock blocks for safepoint during which both nmethods can change state. |
| 1282 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1283 // Now that we are ready to patch if the Method* was redefined then |
| 0 | 1284 // don't update call site and let the caller retry. |
| 13441 | 1285 // Don't update call site if caller nmethod has been made non-entrant |
| 1286 // as it is a waste of time. | |
| 1287 // Don't update call site if callee nmethod was unloaded or deoptimized. | |
| 1288 // Don't update call site if callee nmethod was replaced by an other nmethod | |
| 1289 // which may happen when multiply alive nmethod (tiered compilation) | |
| 1290 // will be supported. | |
| 1291 if (!callee_method->is_old() && caller_nm->is_in_use() && | |
| 1292 (callee_nm == NULL || callee_nm->is_in_use() && (callee_method->code() == callee_nm))) { | |
| 0 | 1293 #ifdef ASSERT |
| 1294 // We must not try to patch to jump to an already unloaded method. | |
| 1295 if (dest_entry_point != 0) { | |
| 13441 | 1296 CodeBlob* cb = CodeCache::find_blob(dest_entry_point); |
| 1297 assert((cb != NULL) && cb->is_nmethod() && (((nmethod*)cb) == callee_nm), | |
| 1298 "should not call unloaded nmethod"); | |
| 0 | 1299 } |
| 1300 #endif | |
| 1301 if (is_virtual) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1302 nmethod* nm = callee_nm; |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1303 if (nm == NULL) CodeCache::find_blob(caller_frame.pc()); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1304 CompiledIC* inline_cache = CompiledIC_before(caller_nm, caller_frame.pc()); |
| 0 | 1305 if (inline_cache->is_clean()) { |
| 1306 inline_cache->set_to_monomorphic(virtual_call_info); | |
| 1307 } | |
| 1308 } else { | |
| 1309 CompiledStaticCall* ssc = compiledStaticCall_before(caller_frame.pc()); | |
| 1310 if (ssc->is_clean()) ssc->set(static_call_info); | |
| 1311 } | |
| 1312 } | |
| 1313 | |
| 1314 } // unlock CompiledIC_lock | |
| 1315 | |
| 1316 return callee_method; | |
| 1317 } | |
| 1318 | |
| 1319 | |
| 1320 // Inline caches exist only in compiled code | |
| 1321 JRT_BLOCK_ENTRY(address, SharedRuntime::handle_wrong_method_ic_miss(JavaThread* thread)) | |
| 1322 #ifdef ASSERT | |
| 1323 RegisterMap reg_map(thread, false); | |
| 1324 frame stub_frame = thread->last_frame(); | |
| 1325 assert(stub_frame.is_runtime_frame(), "sanity check"); | |
| 1326 frame caller_frame = stub_frame.sender(®_map); | |
| 1327 assert(!caller_frame.is_interpreted_frame() && !caller_frame.is_entry_frame(), "unexpected frame"); | |
| 1328 #endif /* ASSERT */ | |
| 1329 | |
| 1330 methodHandle callee_method; | |
| 1331 JRT_BLOCK | |
| 1332 callee_method = SharedRuntime::handle_ic_miss_helper(thread, CHECK_NULL); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1333 // Return Method* through TLS |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1334 thread->set_vm_result_2(callee_method()); |
| 0 | 1335 JRT_BLOCK_END |
| 1336 // return compiled code entry point after potential safepoints | |
| 1337 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); | |
| 1338 return callee_method->verified_code_entry(); | |
| 1339 JRT_END | |
| 1340 | |
| 1341 | |
| 1342 // Handle call site that has been made non-entrant | |
| 1343 JRT_BLOCK_ENTRY(address, SharedRuntime::handle_wrong_method(JavaThread* thread)) | |
| 1344 // 6243940 We might end up in here if the callee is deoptimized | |
| 1345 // as we race to call it. We don't want to take a safepoint if | |
| 1346 // the caller was interpreted because the caller frame will look | |
| 1347 // interpreted to the stack walkers and arguments are now | |
| 1348 // "compiled" so it is much better to make this transition | |
| 1349 // invisible to the stack walking code. The i2c path will | |
| 1350 // place the callee method in the callee_target. It is stashed | |
| 1351 // there because if we try and find the callee by normal means a | |
| 1352 // safepoint is possible and have trouble gc'ing the compiled args. | |
| 1353 RegisterMap reg_map(thread, false); | |
| 1354 frame stub_frame = thread->last_frame(); | |
| 1355 assert(stub_frame.is_runtime_frame(), "sanity check"); | |
| 1356 frame caller_frame = stub_frame.sender(®_map); | |
|
1135
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1357 |
|
e66fd840cb6b
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
twisti
parents:
845
diff
changeset
|
1358 if (caller_frame.is_interpreted_frame() || |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
1359 caller_frame.is_entry_frame()) { |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1360 Method* callee = thread->callee_target(); |
| 0 | 1361 guarantee(callee != NULL && callee->is_method(), "bad handshake"); |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1362 thread->set_vm_result_2(callee); |
| 0 | 1363 thread->set_callee_target(NULL); |
| 1364 return callee->get_c2i_entry(); | |
| 1365 } | |
| 1366 | |
| 1367 // Must be compiled to compiled path which is safe to stackwalk | |
| 1368 methodHandle callee_method; | |
| 1369 JRT_BLOCK | |
| 1370 // Force resolving of caller (if we called from compiled frame) | |
| 1371 callee_method = SharedRuntime::reresolve_call_site(thread, CHECK_NULL); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1372 thread->set_vm_result_2(callee_method()); |
| 0 | 1373 JRT_BLOCK_END |
| 1374 // return compiled code entry point after potential safepoints | |
| 1375 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); | |
| 1376 return callee_method->verified_code_entry(); | |
| 1377 JRT_END | |
| 1378 | |
|
13382
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
1379 // Handle abstract method call |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
1380 JRT_BLOCK_ENTRY(address, SharedRuntime::handle_wrong_method_abstract(JavaThread* thread)) |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
1381 return StubRoutines::throw_AbstractMethodError_entry(); |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
1382 JRT_END |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
1383 |
| 0 | 1384 |
| 1385 // resolve a static call and patch code | |
| 1386 JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_static_call_C(JavaThread *thread )) | |
| 1387 methodHandle callee_method; | |
| 1388 JRT_BLOCK | |
| 1389 callee_method = SharedRuntime::resolve_helper(thread, false, false, CHECK_NULL); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1390 thread->set_vm_result_2(callee_method()); |
| 0 | 1391 JRT_BLOCK_END |
| 1392 // return compiled code entry point after potential safepoints | |
| 1393 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); | |
| 1394 return callee_method->verified_code_entry(); | |
| 1395 JRT_END | |
| 1396 | |
| 1397 | |
| 1398 // resolve virtual call and update inline cache to monomorphic | |
| 1399 JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_virtual_call_C(JavaThread *thread )) | |
| 1400 methodHandle callee_method; | |
| 1401 JRT_BLOCK | |
| 1402 callee_method = SharedRuntime::resolve_helper(thread, true, false, CHECK_NULL); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1403 thread->set_vm_result_2(callee_method()); |
| 0 | 1404 JRT_BLOCK_END |
| 1405 // return compiled code entry point after potential safepoints | |
| 1406 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); | |
| 1407 return callee_method->verified_code_entry(); | |
| 1408 JRT_END | |
| 1409 | |
| 1410 | |
| 1411 // Resolve a virtual call that can be statically bound (e.g., always | |
| 1412 // monomorphic, so it has no inline cache). Patch code to resolved target. | |
| 1413 JRT_BLOCK_ENTRY(address, SharedRuntime::resolve_opt_virtual_call_C(JavaThread *thread)) | |
| 1414 methodHandle callee_method; | |
| 1415 JRT_BLOCK | |
| 1416 callee_method = SharedRuntime::resolve_helper(thread, true, true, CHECK_NULL); | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1417 thread->set_vm_result_2(callee_method()); |
| 0 | 1418 JRT_BLOCK_END |
| 1419 // return compiled code entry point after potential safepoints | |
| 1420 assert(callee_method->verified_code_entry() != NULL, " Jump to zero!"); | |
| 1421 return callee_method->verified_code_entry(); | |
| 1422 JRT_END | |
| 1423 | |
| 1424 | |
| 1425 | |
| 1426 | |
| 1427 | |
| 1428 methodHandle SharedRuntime::handle_ic_miss_helper(JavaThread *thread, TRAPS) { | |
| 1429 ResourceMark rm(thread); | |
| 1430 CallInfo call_info; | |
| 1431 Bytecodes::Code bc; | |
| 1432 | |
| 1433 // receiver is NULL for static calls. An exception is thrown for NULL | |
| 1434 // receivers for non-static calls | |
| 1435 Handle receiver = find_callee_info(thread, bc, call_info, | |
| 1436 CHECK_(methodHandle())); | |
| 1437 // Compiler1 can produce virtual call sites that can actually be statically bound | |
| 1438 // If we fell thru to below we would think that the site was going megamorphic | |
| 1439 // when in fact the site can never miss. Worse because we'd think it was megamorphic | |
| 1440 // we'd try and do a vtable dispatch however methods that can be statically bound | |
| 1441 // don't have vtable entries (vtable_index < 0) and we'd blow up. So we force a | |
| 1442 // reresolution of the call site (as if we did a handle_wrong_method and not an | |
| 1443 // plain ic_miss) and the site will be converted to an optimized virtual call site | |
| 1444 // never to miss again. I don't believe C2 will produce code like this but if it | |
| 1445 // did this would still be the correct thing to do for it too, hence no ifdef. | |
| 1446 // | |
| 1447 if (call_info.resolved_method()->can_be_statically_bound()) { | |
| 1448 methodHandle callee_method = SharedRuntime::reresolve_call_site(thread, CHECK_(methodHandle())); | |
| 1449 if (TraceCallFixup) { | |
| 1450 RegisterMap reg_map(thread, false); | |
| 1451 frame caller_frame = thread->last_frame().sender(®_map); | |
| 1452 ResourceMark rm(thread); | |
| 1453 tty->print("converting IC miss to reresolve (%s) call to", Bytecodes::name(bc)); | |
| 1454 callee_method->print_short_name(tty); | |
| 1455 tty->print_cr(" from pc: " INTPTR_FORMAT, caller_frame.pc()); | |
| 1456 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code()); | |
| 1457 } | |
| 1458 return callee_method; | |
| 1459 } | |
| 1460 | |
| 1461 methodHandle callee_method = call_info.selected_method(); | |
| 1462 | |
| 1463 bool should_be_mono = false; | |
| 1464 | |
| 1465 #ifndef PRODUCT | |
| 1466 Atomic::inc(&_ic_miss_ctr); | |
| 1467 | |
| 1468 // Statistics & Tracing | |
| 1469 if (TraceCallFixup) { | |
| 1470 ResourceMark rm(thread); | |
| 1471 tty->print("IC miss (%s) call to", Bytecodes::name(bc)); | |
| 1472 callee_method->print_short_name(tty); | |
| 1473 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code()); | |
| 1474 } | |
| 1475 | |
| 1476 if (ICMissHistogram) { | |
| 1477 MutexLocker m(VMStatistic_lock); | |
| 1478 RegisterMap reg_map(thread, false); | |
| 1479 frame f = thread->last_frame().real_sender(®_map);// skip runtime stub | |
| 1480 // produce statistics under the lock | |
| 1481 trace_ic_miss(f.pc()); | |
| 1482 } | |
| 1483 #endif | |
| 1484 | |
| 1485 // install an event collector so that when a vtable stub is created the | |
| 1486 // profiler can be notified via a DYNAMIC_CODE_GENERATED event. The | |
| 1487 // event can't be posted when the stub is created as locks are held | |
| 1488 // - instead the event will be deferred until the event collector goes | |
| 1489 // out of scope. | |
| 1490 JvmtiDynamicCodeEventCollector event_collector; | |
| 1491 | |
| 1492 // Update inline cache to megamorphic. Skip update if caller has been | |
| 1493 // made non-entrant or we are called from interpreted. | |
| 1494 { MutexLocker ml_patch (CompiledIC_lock); | |
| 1495 RegisterMap reg_map(thread, false); | |
| 1496 frame caller_frame = thread->last_frame().sender(®_map); | |
| 1497 CodeBlob* cb = caller_frame.cb(); | |
| 1498 if (cb->is_nmethod() && ((nmethod*)cb)->is_in_use()) { | |
| 1499 // Not a non-entrant nmethod, so find inline_cache | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1500 CompiledIC* inline_cache = CompiledIC_before(((nmethod*)cb), caller_frame.pc()); |
| 0 | 1501 bool should_be_mono = false; |
| 1502 if (inline_cache->is_optimized()) { | |
| 1503 if (TraceCallFixup) { | |
| 1504 ResourceMark rm(thread); | |
| 1505 tty->print("OPTIMIZED IC miss (%s) call to", Bytecodes::name(bc)); | |
| 1506 callee_method->print_short_name(tty); | |
| 1507 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code()); | |
| 1508 } | |
| 1509 should_be_mono = true; | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1510 } else if (inline_cache->is_icholder_call()) { |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1511 CompiledICHolder* ic_oop = inline_cache->cached_icholder(); |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1512 if ( ic_oop != NULL) { |
| 0 | 1513 |
| 1514 if (receiver()->klass() == ic_oop->holder_klass()) { | |
| 1515 // This isn't a real miss. We must have seen that compiled code | |
| 1516 // is now available and we want the call site converted to a | |
| 1517 // monomorphic compiled call site. | |
| 1518 // We can't assert for callee_method->code() != NULL because it | |
| 1519 // could have been deoptimized in the meantime | |
| 1520 if (TraceCallFixup) { | |
| 1521 ResourceMark rm(thread); | |
| 1522 tty->print("FALSE IC miss (%s) converting to compiled call to", Bytecodes::name(bc)); | |
| 1523 callee_method->print_short_name(tty); | |
| 1524 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code()); | |
| 1525 } | |
| 1526 should_be_mono = true; | |
| 1527 } | |
| 1528 } | |
| 1529 } | |
| 1530 | |
| 1531 if (should_be_mono) { | |
| 1532 | |
| 1533 // We have a path that was monomorphic but was going interpreted | |
| 1534 // and now we have (or had) a compiled entry. We correct the IC | |
| 1535 // by using a new icBuffer. | |
| 1536 CompiledICInfo info; | |
| 1537 KlassHandle receiver_klass(THREAD, receiver()->klass()); | |
| 1538 inline_cache->compute_monomorphic_entry(callee_method, | |
| 1539 receiver_klass, | |
| 1540 inline_cache->is_optimized(), | |
| 1541 false, | |
| 1542 info, CHECK_(methodHandle())); | |
| 1543 inline_cache->set_to_monomorphic(info); | |
| 1544 } else if (!inline_cache->is_megamorphic() && !inline_cache->is_clean()) { | |
| 12294 | 1545 // Potential change to megamorphic |
| 1546 bool successful = inline_cache->set_to_megamorphic(&call_info, bc, CHECK_(methodHandle())); | |
| 1547 if (!successful) { | |
| 1548 inline_cache->set_to_clean(); | |
| 1549 } | |
| 0 | 1550 } else { |
| 1551 // Either clean or megamorphic | |
| 1552 } | |
| 1553 } | |
| 1554 } // Release CompiledIC_lock | |
| 1555 | |
| 1556 return callee_method; | |
| 1557 } | |
| 1558 | |
| 1559 // | |
| 1560 // Resets a call-site in compiled code so it will get resolved again. | |
| 1561 // This routines handles both virtual call sites, optimized virtual call | |
| 1562 // sites, and static call sites. Typically used to change a call sites | |
| 1563 // destination from compiled to interpreted. | |
| 1564 // | |
| 1565 methodHandle SharedRuntime::reresolve_call_site(JavaThread *thread, TRAPS) { | |
| 1566 ResourceMark rm(thread); | |
| 1567 RegisterMap reg_map(thread, false); | |
| 1568 frame stub_frame = thread->last_frame(); | |
| 1569 assert(stub_frame.is_runtime_frame(), "must be a runtimeStub"); | |
| 1570 frame caller = stub_frame.sender(®_map); | |
| 1571 | |
| 1572 // Do nothing if the frame isn't a live compiled frame. | |
| 1573 // nmethod could be deoptimized by the time we get here | |
| 1574 // so no update to the caller is needed. | |
| 1575 | |
| 1576 if (caller.is_compiled_frame() && !caller.is_deoptimized_frame()) { | |
| 1577 | |
| 1578 address pc = caller.pc(); | |
| 1579 | |
| 1580 // Default call_addr is the location of the "basic" call. | |
| 1581 // Determine the address of the call we a reresolving. With | |
| 1582 // Inline Caches we will always find a recognizable call. | |
| 1583 // With Inline Caches disabled we may or may not find a | |
| 1584 // recognizable call. We will always find a call for static | |
| 1585 // calls and for optimized virtual calls. For vanilla virtual | |
| 1586 // calls it depends on the state of the UseInlineCaches switch. | |
| 1587 // | |
| 1588 // With Inline Caches disabled we can get here for a virtual call | |
| 1589 // for two reasons: | |
| 1590 // 1 - calling an abstract method. The vtable for abstract methods | |
| 1591 // will run us thru handle_wrong_method and we will eventually | |
| 1592 // end up in the interpreter to throw the ame. | |
| 1593 // 2 - a racing deoptimization. We could be doing a vanilla vtable | |
| 1594 // call and between the time we fetch the entry address and | |
| 1595 // we jump to it the target gets deoptimized. Similar to 1 | |
| 1596 // we will wind up in the interprter (thru a c2i with c2). | |
| 1597 // | |
| 1598 address call_addr = NULL; | |
| 1599 { | |
| 1600 // Get call instruction under lock because another thread may be | |
| 1601 // busy patching it. | |
| 1602 MutexLockerEx ml_patch(Patching_lock, Mutex::_no_safepoint_check_flag); | |
| 1603 // Location of call instruction | |
| 1604 if (NativeCall::is_call_before(pc)) { | |
| 1605 NativeCall *ncall = nativeCall_before(pc); | |
| 1606 call_addr = ncall->instruction_address(); | |
| 1607 } | |
| 1608 } | |
| 1609 | |
| 1610 // Check for static or virtual call | |
| 1611 bool is_static_call = false; | |
| 1612 nmethod* caller_nm = CodeCache::find_nmethod(pc); | |
| 1613 // Make sure nmethod doesn't get deoptimized and removed until | |
| 1614 // this is done with it. | |
| 1615 // CLEANUP - with lazy deopt shouldn't need this lock | |
| 1616 nmethodLocker nmlock(caller_nm); | |
| 1617 | |
| 1618 if (call_addr != NULL) { | |
| 1619 RelocIterator iter(caller_nm, call_addr, call_addr+1); | |
| 1620 int ret = iter.next(); // Get item | |
| 1621 if (ret) { | |
| 1622 assert(iter.addr() == call_addr, "must find call"); | |
| 1623 if (iter.type() == relocInfo::static_call_type) { | |
| 1624 is_static_call = true; | |
| 1625 } else { | |
| 1626 assert(iter.type() == relocInfo::virtual_call_type || | |
| 1627 iter.type() == relocInfo::opt_virtual_call_type | |
| 1628 , "unexpected relocInfo. type"); | |
| 1629 } | |
| 1630 } else { | |
| 1631 assert(!UseInlineCaches, "relocation info. must exist for this address"); | |
| 1632 } | |
| 1633 | |
| 1634 // Cleaning the inline cache will force a new resolve. This is more robust | |
| 1635 // than directly setting it to the new destination, since resolving of calls | |
| 1636 // is always done through the same code path. (experience shows that it | |
| 1637 // leads to very hard to track down bugs, if an inline cache gets updated | |
| 1638 // to a wrong method). It should not be performance critical, since the | |
| 1639 // resolve is only done once. | |
| 1640 | |
| 1641 MutexLocker ml(CompiledIC_lock); | |
| 1642 // | |
| 1643 // We do not patch the call site if the nmethod has been made non-entrant | |
| 1644 // as it is a waste of time | |
| 1645 // | |
| 1646 if (caller_nm->is_in_use()) { | |
| 1647 if (is_static_call) { | |
| 1648 CompiledStaticCall* ssc= compiledStaticCall_at(call_addr); | |
| 1649 ssc->set_to_clean(); | |
| 1650 } else { | |
| 1651 // compiled, dispatched call (which used to call an interpreted method) | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1652 CompiledIC* inline_cache = CompiledIC_at(caller_nm, call_addr); |
| 0 | 1653 inline_cache->set_to_clean(); |
| 1654 } | |
| 1655 } | |
| 1656 } | |
| 1657 | |
| 1658 } | |
| 1659 | |
| 1660 methodHandle callee_method = find_callee_method(thread, CHECK_(methodHandle())); | |
| 1661 | |
| 1662 | |
| 1663 #ifndef PRODUCT | |
| 1664 Atomic::inc(&_wrong_method_ctr); | |
| 1665 | |
| 1666 if (TraceCallFixup) { | |
| 1667 ResourceMark rm(thread); | |
| 1668 tty->print("handle_wrong_method reresolving call to"); | |
| 1669 callee_method->print_short_name(tty); | |
| 1670 tty->print_cr(" code: " INTPTR_FORMAT, callee_method->code()); | |
| 1671 } | |
| 1672 #endif | |
| 1673 | |
| 1674 return callee_method; | |
| 1675 } | |
| 1676 | |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1677 #ifdef ASSERT |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1678 void SharedRuntime::check_member_name_argument_is_last_argument(methodHandle method, |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1679 const BasicType* sig_bt, |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1680 const VMRegPair* regs) { |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1681 ResourceMark rm; |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1682 const int total_args_passed = method->size_of_parameters(); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1683 const VMRegPair* regs_with_member_name = regs; |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1684 VMRegPair* regs_without_member_name = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed - 1); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1685 |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1686 const int member_arg_pos = total_args_passed - 1; |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1687 assert(member_arg_pos >= 0 && member_arg_pos < total_args_passed, "oob"); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1688 assert(sig_bt[member_arg_pos] == T_OBJECT, "dispatch argument must be an object"); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1689 |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1690 const bool is_outgoing = method->is_method_handle_intrinsic(); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1691 int comp_args_on_stack = java_calling_convention(sig_bt, regs_without_member_name, total_args_passed - 1, is_outgoing); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1692 |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1693 for (int i = 0; i < member_arg_pos; i++) { |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1694 VMReg a = regs_with_member_name[i].first(); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1695 VMReg b = regs_without_member_name[i].first(); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1696 assert(a->value() == b->value(), err_msg_res("register allocation mismatch: a=%d, b=%d", a->value(), b->value())); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1697 } |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1698 assert(regs_with_member_name[member_arg_pos].first()->is_valid(), "bad member arg"); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1699 } |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1700 #endif |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
1701 |
| 0 | 1702 // --------------------------------------------------------------------------- |
| 1703 // We are calling the interpreter via a c2i. Normally this would mean that | |
| 1704 // we were called by a compiled method. However we could have lost a race | |
| 1705 // where we went int -> i2c -> c2i and so the caller could in fact be | |
| 1205 | 1706 // interpreted. If the caller is compiled we attempt to patch the caller |
| 0 | 1707 // so he no longer calls into the interpreter. |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1708 IRT_LEAF(void, SharedRuntime::fixup_callers_callsite(Method* method, address caller_pc)) |
|
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1709 Method* moop(method); |
| 0 | 1710 |
| 1711 address entry_point = moop->from_compiled_entry(); | |
| 1712 | |
| 1713 // It's possible that deoptimization can occur at a call site which hasn't | |
| 1714 // been resolved yet, in which case this function will be called from | |
| 1715 // an nmethod that has been patched for deopt and we can ignore the | |
| 1716 // request for a fixup. | |
| 1717 // Also it is possible that we lost a race in that from_compiled_entry | |
| 1718 // is now back to the i2c in that case we don't need to patch and if | |
| 1719 // we did we'd leap into space because the callsite needs to use | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1720 // "to interpreter" stub in order to load up the Method*. Don't |
| 0 | 1721 // ask me how I know this... |
| 1722 | |
| 1723 CodeBlob* cb = CodeCache::find_blob(caller_pc); | |
| 1205 | 1724 if (!cb->is_nmethod() || entry_point == moop->get_c2i_entry()) { |
| 1725 return; | |
| 1726 } | |
| 1727 | |
| 1728 // The check above makes sure this is a nmethod. | |
| 1729 nmethod* nm = cb->as_nmethod_or_null(); | |
| 1730 assert(nm, "must be"); | |
| 1731 | |
|
4044
2ec638646e86
7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
twisti
parents:
4007
diff
changeset
|
1732 // Get the return PC for the passed caller PC. |
|
2ec638646e86
7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
twisti
parents:
4007
diff
changeset
|
1733 address return_pc = caller_pc + frame::pc_return_offset; |
|
2ec638646e86
7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
twisti
parents:
4007
diff
changeset
|
1734 |
| 0 | 1735 // There is a benign race here. We could be attempting to patch to a compiled |
| 1736 // entry point at the same time the callee is being deoptimized. If that is | |
| 1737 // the case then entry_point may in fact point to a c2i and we'd patch the | |
| 1738 // call site with the same old data. clear_code will set code() to NULL | |
| 1739 // at the end of it. If we happen to see that NULL then we can skip trying | |
| 1740 // to patch. If we hit the window where the callee has a c2i in the | |
| 1741 // from_compiled_entry and the NULL isn't present yet then we lose the race | |
| 1742 // and patch the code with the same old data. Asi es la vida. | |
| 1743 | |
| 1744 if (moop->code() == NULL) return; | |
| 1745 | |
| 1205 | 1746 if (nm->is_in_use()) { |
| 0 | 1747 |
| 1748 // Expect to find a native call there (unless it was no-inline cache vtable dispatch) | |
| 1749 MutexLockerEx ml_patch(Patching_lock, Mutex::_no_safepoint_check_flag); | |
|
4044
2ec638646e86
7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
twisti
parents:
4007
diff
changeset
|
1750 if (NativeCall::is_call_before(return_pc)) { |
|
2ec638646e86
7101642: JSR 292: SIGSEGV in java.lang.invoke.MethodHandleImpl$FieldAccessor.getFieldI(Ljava/lang/Object;)I
twisti
parents:
4007
diff
changeset
|
1751 NativeCall *call = nativeCall_before(return_pc); |
| 0 | 1752 // |
| 1753 // bug 6281185. We might get here after resolving a call site to a vanilla | |
| 1754 // virtual call. Because the resolvee uses the verified entry it may then | |
| 1755 // see compiled code and attempt to patch the site by calling us. This would | |
| 1756 // then incorrectly convert the call site to optimized and its downhill from | |
| 1757 // there. If you're lucky you'll get the assert in the bugid, if not you've | |
| 1758 // just made a call site that could be megamorphic into a monomorphic site | |
| 1759 // for the rest of its life! Just another racing bug in the life of | |
| 1760 // fixup_callers_callsite ... | |
| 1761 // | |
|
1563
1a5913bf5e19
6951083: oops and relocations should part of nmethod not CodeBlob
twisti
parents:
1507
diff
changeset
|
1762 RelocIterator iter(nm, call->instruction_address(), call->next_instruction_address()); |
| 0 | 1763 iter.next(); |
| 1764 assert(iter.has_current(), "must have a reloc at java call site"); | |
| 1765 relocInfo::relocType typ = iter.reloc()->type(); | |
| 1766 if ( typ != relocInfo::static_call_type && | |
| 1767 typ != relocInfo::opt_virtual_call_type && | |
| 1768 typ != relocInfo::static_stub_type) { | |
| 1769 return; | |
| 1770 } | |
| 1771 address destination = call->destination(); | |
| 1772 if (destination != entry_point) { | |
| 1773 CodeBlob* callee = CodeCache::find_blob(destination); | |
| 1774 // callee == cb seems weird. It means calling interpreter thru stub. | |
| 1775 if (callee == cb || callee->is_adapter_blob()) { | |
| 1776 // static call or optimized virtual | |
| 1777 if (TraceCallFixup) { | |
| 1204 | 1778 tty->print("fixup callsite at " INTPTR_FORMAT " to compiled code for", caller_pc); |
| 0 | 1779 moop->print_short_name(tty); |
| 1780 tty->print_cr(" to " INTPTR_FORMAT, entry_point); | |
| 1781 } | |
| 1782 call->set_destination_mt_safe(entry_point); | |
| 1783 } else { | |
| 1784 if (TraceCallFixup) { | |
| 1785 tty->print("failed to fixup callsite at " INTPTR_FORMAT " to compiled code for", caller_pc); | |
| 1786 moop->print_short_name(tty); | |
| 1787 tty->print_cr(" to " INTPTR_FORMAT, entry_point); | |
| 1788 } | |
| 1789 // assert is too strong could also be resolve destinations. | |
| 1790 // assert(InlineCacheBuffer::contains(destination) || VtableStubs::contains(destination), "must be"); | |
| 1791 } | |
| 1792 } else { | |
| 1793 if (TraceCallFixup) { | |
| 1204 | 1794 tty->print("already patched callsite at " INTPTR_FORMAT " to compiled code for", caller_pc); |
| 0 | 1795 moop->print_short_name(tty); |
| 1796 tty->print_cr(" to " INTPTR_FORMAT, entry_point); | |
| 1797 } | |
| 1798 } | |
| 1799 } | |
| 1800 } | |
| 1801 IRT_END | |
| 1802 | |
| 1803 | |
| 1804 // same as JVM_Arraycopy, but called directly from compiled code | |
| 1805 JRT_ENTRY(void, SharedRuntime::slow_arraycopy_C(oopDesc* src, jint src_pos, | |
| 1806 oopDesc* dest, jint dest_pos, | |
| 1807 jint length, | |
| 1808 JavaThread* thread)) { | |
| 1809 #ifndef PRODUCT | |
| 1810 _slow_array_copy_ctr++; | |
| 1811 #endif | |
| 1812 // Check if we have null pointers | |
| 1813 if (src == NULL || dest == NULL) { | |
| 1814 THROW(vmSymbols::java_lang_NullPointerException()); | |
| 1815 } | |
| 1816 // Do the copy. The casts to arrayOop are necessary to the copy_array API, | |
| 1817 // even though the copy_array API also performs dynamic checks to ensure | |
| 1818 // that src and dest are truly arrays (and are conformable). | |
| 1819 // The copy_array mechanism is awkward and could be removed, but | |
| 1820 // the compilers don't call this function except as a last resort, | |
| 1821 // so it probably doesn't matter. | |
| 6983 | 1822 src->klass()->copy_array((arrayOopDesc*)src, src_pos, |
| 0 | 1823 (arrayOopDesc*)dest, dest_pos, |
| 1824 length, thread); | |
| 1825 } | |
| 1826 JRT_END | |
| 1827 | |
| 1828 char* SharedRuntime::generate_class_cast_message( | |
| 1829 JavaThread* thread, const char* objName) { | |
| 1830 | |
| 1831 // Get target class name from the checkcast instruction | |
| 1832 vframeStream vfst(thread, true); | |
| 1833 assert(!vfst.at_end(), "Java frame must exist"); | |
| 2142 | 1834 Bytecode_checkcast cc(vfst.method(), vfst.method()->bcp_from(vfst.bci())); |
| 6983 | 1835 Klass* targetKlass = vfst.method()->constants()->klass_at( |
| 1836 cc.index(), thread); | |
| 0 | 1837 return generate_class_cast_message(objName, targetKlass->external_name()); |
| 1838 } | |
| 1839 | |
| 1840 char* SharedRuntime::generate_class_cast_message( | |
| 710 | 1841 const char* objName, const char* targetKlassName, const char* desc) { |
| 0 | 1842 size_t msglen = strlen(objName) + strlen(desc) + strlen(targetKlassName) + 1; |
| 1843 | |
| 53 | 1844 char* message = NEW_RESOURCE_ARRAY(char, msglen); |
| 0 | 1845 if (NULL == message) { |
| 53 | 1846 // Shouldn't happen, but don't cause even more problems if it does |
| 0 | 1847 message = const_cast<char*>(objName); |
| 1848 } else { | |
| 1849 jio_snprintf(message, msglen, "%s%s%s", objName, desc, targetKlassName); | |
| 1850 } | |
| 1851 return message; | |
| 1852 } | |
| 1853 | |
| 1854 JRT_LEAF(void, SharedRuntime::reguard_yellow_pages()) | |
| 1855 (void) JavaThread::current()->reguard_stack(); | |
| 1856 JRT_END | |
| 1857 | |
| 1858 | |
| 1859 // Handles the uncommon case in locking, i.e., contention or an inflated lock. | |
| 1860 #ifndef PRODUCT | |
| 1861 int SharedRuntime::_monitor_enter_ctr=0; | |
| 1862 #endif | |
| 1863 JRT_ENTRY_NO_ASYNC(void, SharedRuntime::complete_monitor_locking_C(oopDesc* _obj, BasicLock* lock, JavaThread* thread)) | |
| 1864 oop obj(_obj); | |
| 1865 #ifndef PRODUCT | |
| 1866 _monitor_enter_ctr++; // monitor enter slow | |
| 1867 #endif | |
| 1868 if (PrintBiasedLockingStatistics) { | |
| 1869 Atomic::inc(BiasedLocking::slow_path_entry_count_addr()); | |
| 1870 } | |
| 1871 Handle h_obj(THREAD, obj); | |
| 1872 if (UseBiasedLocking) { | |
| 1873 // Retry fast entry if bias is revoked to avoid unnecessary inflation | |
| 1874 ObjectSynchronizer::fast_enter(h_obj, lock, true, CHECK); | |
| 1875 } else { | |
| 1876 ObjectSynchronizer::slow_enter(h_obj, lock, CHECK); | |
| 1877 } | |
| 1878 assert(!HAS_PENDING_EXCEPTION, "Should have no exception here"); | |
| 1879 JRT_END | |
| 1880 | |
| 1881 #ifndef PRODUCT | |
| 1882 int SharedRuntime::_monitor_exit_ctr=0; | |
| 1883 #endif | |
| 1884 // Handles the uncommon cases of monitor unlocking in compiled code | |
| 1885 JRT_LEAF(void, SharedRuntime::complete_monitor_unlocking_C(oopDesc* _obj, BasicLock* lock)) | |
| 1886 oop obj(_obj); | |
| 1887 #ifndef PRODUCT | |
| 1888 _monitor_exit_ctr++; // monitor exit slow | |
| 1889 #endif | |
| 1890 Thread* THREAD = JavaThread::current(); | |
| 1891 // I'm not convinced we need the code contained by MIGHT_HAVE_PENDING anymore | |
| 1892 // testing was unable to ever fire the assert that guarded it so I have removed it. | |
| 1893 assert(!HAS_PENDING_EXCEPTION, "Do we need code below anymore?"); | |
| 1894 #undef MIGHT_HAVE_PENDING | |
| 1895 #ifdef MIGHT_HAVE_PENDING | |
| 1896 // Save and restore any pending_exception around the exception mark. | |
| 1897 // While the slow_exit must not throw an exception, we could come into | |
| 1898 // this routine with one set. | |
| 1899 oop pending_excep = NULL; | |
| 1900 const char* pending_file; | |
| 1901 int pending_line; | |
| 1902 if (HAS_PENDING_EXCEPTION) { | |
| 1903 pending_excep = PENDING_EXCEPTION; | |
| 1904 pending_file = THREAD->exception_file(); | |
| 1905 pending_line = THREAD->exception_line(); | |
| 1906 CLEAR_PENDING_EXCEPTION; | |
| 1907 } | |
| 1908 #endif /* MIGHT_HAVE_PENDING */ | |
| 1909 | |
| 1910 { | |
| 1911 // Exit must be non-blocking, and therefore no exceptions can be thrown. | |
| 1912 EXCEPTION_MARK; | |
| 1913 ObjectSynchronizer::slow_exit(obj, lock, THREAD); | |
| 1914 } | |
| 1915 | |
| 1916 #ifdef MIGHT_HAVE_PENDING | |
| 1917 if (pending_excep != NULL) { | |
| 1918 THREAD->set_pending_exception(pending_excep, pending_file, pending_line); | |
| 1919 } | |
| 1920 #endif /* MIGHT_HAVE_PENDING */ | |
| 1921 JRT_END | |
| 1922 | |
| 1923 #ifndef PRODUCT | |
| 1924 | |
| 1925 void SharedRuntime::print_statistics() { | |
| 1926 ttyLocker ttyl; | |
| 1927 if (xtty != NULL) xtty->head("statistics type='SharedRuntime'"); | |
| 1928 | |
| 1929 if (_monitor_enter_ctr ) tty->print_cr("%5d monitor enter slow", _monitor_enter_ctr); | |
| 1930 if (_monitor_exit_ctr ) tty->print_cr("%5d monitor exit slow", _monitor_exit_ctr); | |
| 1931 if (_throw_null_ctr) tty->print_cr("%5d implicit null throw", _throw_null_ctr); | |
| 1932 | |
| 1933 SharedRuntime::print_ic_miss_histogram(); | |
| 1934 | |
| 1935 if (CountRemovableExceptions) { | |
| 1936 if (_nof_removable_exceptions > 0) { | |
| 1937 Unimplemented(); // this counter is not yet incremented | |
| 1938 tty->print_cr("Removable exceptions: %d", _nof_removable_exceptions); | |
| 1939 } | |
| 1940 } | |
| 1941 | |
| 1942 // Dump the JRT_ENTRY counters | |
| 1943 if( _new_instance_ctr ) tty->print_cr("%5d new instance requires GC", _new_instance_ctr); | |
| 1944 if( _new_array_ctr ) tty->print_cr("%5d new array requires GC", _new_array_ctr); | |
| 1945 if( _multi1_ctr ) tty->print_cr("%5d multianewarray 1 dim", _multi1_ctr); | |
| 1946 if( _multi2_ctr ) tty->print_cr("%5d multianewarray 2 dim", _multi2_ctr); | |
| 1947 if( _multi3_ctr ) tty->print_cr("%5d multianewarray 3 dim", _multi3_ctr); | |
| 1948 if( _multi4_ctr ) tty->print_cr("%5d multianewarray 4 dim", _multi4_ctr); | |
| 1949 if( _multi5_ctr ) tty->print_cr("%5d multianewarray 5 dim", _multi5_ctr); | |
| 1950 | |
| 1951 tty->print_cr("%5d inline cache miss in compiled", _ic_miss_ctr ); | |
| 1952 tty->print_cr("%5d wrong method", _wrong_method_ctr ); | |
| 1953 tty->print_cr("%5d unresolved static call site", _resolve_static_ctr ); | |
| 1954 tty->print_cr("%5d unresolved virtual call site", _resolve_virtual_ctr ); | |
| 1955 tty->print_cr("%5d unresolved opt virtual call site", _resolve_opt_virtual_ctr ); | |
| 1956 | |
| 1957 if( _mon_enter_stub_ctr ) tty->print_cr("%5d monitor enter stub", _mon_enter_stub_ctr ); | |
| 1958 if( _mon_exit_stub_ctr ) tty->print_cr("%5d monitor exit stub", _mon_exit_stub_ctr ); | |
| 1959 if( _mon_enter_ctr ) tty->print_cr("%5d monitor enter slow", _mon_enter_ctr ); | |
| 1960 if( _mon_exit_ctr ) tty->print_cr("%5d monitor exit slow", _mon_exit_ctr ); | |
| 1961 if( _partial_subtype_ctr) tty->print_cr("%5d slow partial subtype", _partial_subtype_ctr ); | |
| 1962 if( _jbyte_array_copy_ctr ) tty->print_cr("%5d byte array copies", _jbyte_array_copy_ctr ); | |
| 1963 if( _jshort_array_copy_ctr ) tty->print_cr("%5d short array copies", _jshort_array_copy_ctr ); | |
| 1964 if( _jint_array_copy_ctr ) tty->print_cr("%5d int array copies", _jint_array_copy_ctr ); | |
| 1965 if( _jlong_array_copy_ctr ) tty->print_cr("%5d long array copies", _jlong_array_copy_ctr ); | |
| 1966 if( _oop_array_copy_ctr ) tty->print_cr("%5d oop array copies", _oop_array_copy_ctr ); | |
| 1967 if( _checkcast_array_copy_ctr ) tty->print_cr("%5d checkcast array copies", _checkcast_array_copy_ctr ); | |
| 1968 if( _unsafe_array_copy_ctr ) tty->print_cr("%5d unsafe array copies", _unsafe_array_copy_ctr ); | |
| 1969 if( _generic_array_copy_ctr ) tty->print_cr("%5d generic array copies", _generic_array_copy_ctr ); | |
| 1970 if( _slow_array_copy_ctr ) tty->print_cr("%5d slow array copies", _slow_array_copy_ctr ); | |
| 1971 if( _find_handler_ctr ) tty->print_cr("%5d find exception handler", _find_handler_ctr ); | |
| 1972 if( _rethrow_ctr ) tty->print_cr("%5d rethrow handler", _rethrow_ctr ); | |
| 1973 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
1974 AdapterHandlerLibrary::print_statistics(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
1975 |
| 0 | 1976 if (xtty != NULL) xtty->tail("statistics"); |
| 1977 } | |
| 1978 | |
| 1979 inline double percent(int x, int y) { | |
| 1980 return 100.0 * x / MAX2(y, 1); | |
| 1981 } | |
| 1982 | |
| 1983 class MethodArityHistogram { | |
| 1984 public: | |
| 1985 enum { MAX_ARITY = 256 }; | |
| 1986 private: | |
| 1987 static int _arity_histogram[MAX_ARITY]; // histogram of #args | |
| 1988 static int _size_histogram[MAX_ARITY]; // histogram of arg size in words | |
| 1989 static int _max_arity; // max. arity seen | |
| 1990 static int _max_size; // max. arg size seen | |
| 1991 | |
| 1992 static void add_method_to_histogram(nmethod* nm) { | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
1993 Method* m = nm->method(); |
| 0 | 1994 ArgumentCount args(m->signature()); |
| 1995 int arity = args.size() + (m->is_static() ? 0 : 1); | |
| 1996 int argsize = m->size_of_parameters(); | |
| 1997 arity = MIN2(arity, MAX_ARITY-1); | |
| 1998 argsize = MIN2(argsize, MAX_ARITY-1); | |
| 1999 int count = nm->method()->compiled_invocation_count(); | |
| 2000 _arity_histogram[arity] += count; | |
| 2001 _size_histogram[argsize] += count; | |
| 2002 _max_arity = MAX2(_max_arity, arity); | |
| 2003 _max_size = MAX2(_max_size, argsize); | |
| 2004 } | |
| 2005 | |
| 2006 void print_histogram_helper(int n, int* histo, const char* name) { | |
| 2007 const int N = MIN2(5, n); | |
| 2008 tty->print_cr("\nHistogram of call arity (incl. rcvr, calls to compiled methods only):"); | |
| 2009 double sum = 0; | |
| 2010 double weighted_sum = 0; | |
| 2011 int i; | |
| 2012 for (i = 0; i <= n; i++) { sum += histo[i]; weighted_sum += i*histo[i]; } | |
| 2013 double rest = sum; | |
| 2014 double percent = sum / 100; | |
| 2015 for (i = 0; i <= N; i++) { | |
| 2016 rest -= histo[i]; | |
| 2017 tty->print_cr("%4d: %7d (%5.1f%%)", i, histo[i], histo[i] / percent); | |
| 2018 } | |
| 2019 tty->print_cr("rest: %7d (%5.1f%%))", (int)rest, rest / percent); | |
| 2020 tty->print_cr("(avg. %s = %3.1f, max = %d)", name, weighted_sum / sum, n); | |
| 2021 } | |
| 2022 | |
| 2023 void print_histogram() { | |
| 2024 tty->print_cr("\nHistogram of call arity (incl. rcvr, calls to compiled methods only):"); | |
| 2025 print_histogram_helper(_max_arity, _arity_histogram, "arity"); | |
| 2026 tty->print_cr("\nSame for parameter size (in words):"); | |
| 2027 print_histogram_helper(_max_size, _size_histogram, "size"); | |
| 2028 tty->cr(); | |
| 2029 } | |
| 2030 | |
| 2031 public: | |
| 2032 MethodArityHistogram() { | |
| 2033 MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag); | |
| 2034 _max_arity = _max_size = 0; | |
| 2035 for (int i = 0; i < MAX_ARITY; i++) _arity_histogram[i] = _size_histogram [i] = 0; | |
| 2036 CodeCache::nmethods_do(add_method_to_histogram); | |
| 2037 print_histogram(); | |
| 2038 } | |
| 2039 }; | |
| 2040 | |
| 2041 int MethodArityHistogram::_arity_histogram[MethodArityHistogram::MAX_ARITY]; | |
| 2042 int MethodArityHistogram::_size_histogram[MethodArityHistogram::MAX_ARITY]; | |
| 2043 int MethodArityHistogram::_max_arity; | |
| 2044 int MethodArityHistogram::_max_size; | |
| 2045 | |
| 2046 void SharedRuntime::print_call_statistics(int comp_total) { | |
| 2047 tty->print_cr("Calls from compiled code:"); | |
| 2048 int total = _nof_normal_calls + _nof_interface_calls + _nof_static_calls; | |
| 2049 int mono_c = _nof_normal_calls - _nof_optimized_calls - _nof_megamorphic_calls; | |
| 2050 int mono_i = _nof_interface_calls - _nof_optimized_interface_calls - _nof_megamorphic_interface_calls; | |
| 2051 tty->print_cr("\t%9d (%4.1f%%) total non-inlined ", total, percent(total, total)); | |
| 2052 tty->print_cr("\t%9d (%4.1f%%) virtual calls ", _nof_normal_calls, percent(_nof_normal_calls, total)); | |
| 2053 tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_calls, percent(_nof_inlined_calls, _nof_normal_calls)); | |
| 2054 tty->print_cr("\t %9d (%3.0f%%) optimized ", _nof_optimized_calls, percent(_nof_optimized_calls, _nof_normal_calls)); | |
| 2055 tty->print_cr("\t %9d (%3.0f%%) monomorphic ", mono_c, percent(mono_c, _nof_normal_calls)); | |
| 2056 tty->print_cr("\t %9d (%3.0f%%) megamorphic ", _nof_megamorphic_calls, percent(_nof_megamorphic_calls, _nof_normal_calls)); | |
| 2057 tty->print_cr("\t%9d (%4.1f%%) interface calls ", _nof_interface_calls, percent(_nof_interface_calls, total)); | |
| 2058 tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_interface_calls, percent(_nof_inlined_interface_calls, _nof_interface_calls)); | |
| 2059 tty->print_cr("\t %9d (%3.0f%%) optimized ", _nof_optimized_interface_calls, percent(_nof_optimized_interface_calls, _nof_interface_calls)); | |
| 2060 tty->print_cr("\t %9d (%3.0f%%) monomorphic ", mono_i, percent(mono_i, _nof_interface_calls)); | |
| 2061 tty->print_cr("\t %9d (%3.0f%%) megamorphic ", _nof_megamorphic_interface_calls, percent(_nof_megamorphic_interface_calls, _nof_interface_calls)); | |
| 2062 tty->print_cr("\t%9d (%4.1f%%) static/special calls", _nof_static_calls, percent(_nof_static_calls, total)); | |
| 2063 tty->print_cr("\t %9d (%3.0f%%) inlined ", _nof_inlined_static_calls, percent(_nof_inlined_static_calls, _nof_static_calls)); | |
| 2064 tty->cr(); | |
| 2065 tty->print_cr("Note 1: counter updates are not MT-safe."); | |
| 2066 tty->print_cr("Note 2: %% in major categories are relative to total non-inlined calls;"); | |
| 2067 tty->print_cr(" %% in nested categories are relative to their category"); | |
| 2068 tty->print_cr(" (and thus add up to more than 100%% with inlining)"); | |
| 2069 tty->cr(); | |
| 2070 | |
| 2071 MethodArityHistogram h; | |
| 2072 } | |
| 2073 #endif | |
| 2074 | |
| 2075 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2076 // A simple wrapper class around the calling convention information |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2077 // that allows sharing of adapters for the same calling convention. |
| 6197 | 2078 class AdapterFingerPrint : public CHeapObj<mtCode> { |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2079 private: |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2080 enum { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2081 _basic_type_bits = 4, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2082 _basic_type_mask = right_n_bits(_basic_type_bits), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2083 _basic_types_per_int = BitsPerInt / _basic_type_bits, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2084 _compact_int_count = 3 |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2085 }; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2086 // TO DO: Consider integrating this with a more global scheme for compressing signatures. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2087 // For now, 4 bits per components (plus T_VOID gaps after double/long) is not excessive. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2088 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2089 union { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2090 int _compact[_compact_int_count]; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2091 int* _fingerprint; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2092 } _value; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2093 int _length; // A negative length indicates the fingerprint is in the compact form, |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2094 // Otherwise _value._fingerprint is the array. |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2095 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2096 // Remap BasicTypes that are handled equivalently by the adapters. |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2097 // These are correct for the current system but someday it might be |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2098 // necessary to make this mapping platform dependent. |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2099 static int adapter_encoding(BasicType in) { |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2100 switch(in) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2101 case T_BOOLEAN: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2102 case T_BYTE: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2103 case T_SHORT: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2104 case T_CHAR: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2105 // There are all promoted to T_INT in the calling convention |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2106 return T_INT; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2107 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2108 case T_OBJECT: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2109 case T_ARRAY: |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2110 // In other words, we assume that any register good enough for |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2111 // an int or long is good enough for a managed pointer. |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2112 #ifdef _LP64 |
| 1506 | 2113 return T_LONG; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2114 #else |
| 1506 | 2115 return T_INT; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2116 #endif |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2117 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2118 case T_INT: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2119 case T_LONG: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2120 case T_FLOAT: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2121 case T_DOUBLE: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2122 case T_VOID: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2123 return in; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2124 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2125 default: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2126 ShouldNotReachHere(); |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2127 return T_CONFLICT; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2128 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2129 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2130 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2131 public: |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2132 AdapterFingerPrint(int total_args_passed, BasicType* sig_bt) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2133 // The fingerprint is based on the BasicType signature encoded |
|
3841
0f34fdee809e
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
3781
diff
changeset
|
2134 // into an array of ints with eight entries per int. |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2135 int* ptr; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2136 int len = (total_args_passed + (_basic_types_per_int-1)) / _basic_types_per_int; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2137 if (len <= _compact_int_count) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2138 assert(_compact_int_count == 3, "else change next line"); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2139 _value._compact[0] = _value._compact[1] = _value._compact[2] = 0; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2140 // Storing the signature encoded as signed chars hits about 98% |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2141 // of the time. |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2142 _length = -len; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2143 ptr = _value._compact; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2144 } else { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2145 _length = len; |
| 6197 | 2146 _value._fingerprint = NEW_C_HEAP_ARRAY(int, _length, mtCode); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2147 ptr = _value._fingerprint; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2148 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2149 |
|
3841
0f34fdee809e
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
3781
diff
changeset
|
2150 // Now pack the BasicTypes with 8 per int |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2151 int sig_index = 0; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2152 for (int index = 0; index < len; index++) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2153 int value = 0; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2154 for (int byte = 0; byte < _basic_types_per_int; byte++) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2155 int bt = ((sig_index < total_args_passed) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2156 ? adapter_encoding(sig_bt[sig_index++]) |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2157 : 0); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2158 assert((bt & _basic_type_mask) == bt, "must fit in 4 bits"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2159 value = (value << _basic_type_bits) | bt; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2160 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2161 ptr[index] = value; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2162 } |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2163 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2164 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2165 ~AdapterFingerPrint() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2166 if (_length > 0) { |
| 6197 | 2167 FREE_C_HEAP_ARRAY(int, _value._fingerprint, mtCode); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2168 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2169 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2170 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2171 int value(int index) { |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2172 if (_length < 0) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2173 return _value._compact[index]; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2174 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2175 return _value._fingerprint[index]; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2176 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2177 int length() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2178 if (_length < 0) return -_length; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2179 return _length; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2180 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2181 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2182 bool is_compact() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2183 return _length <= 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2184 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2185 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2186 unsigned int compute_hash() { |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2187 int hash = 0; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2188 for (int i = 0; i < length(); i++) { |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2189 int v = value(i); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2190 hash = (hash << 8) ^ v ^ (hash >> 5); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2191 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2192 return (unsigned int)hash; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2193 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2194 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2195 const char* as_string() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2196 stringStream st; |
|
3841
0f34fdee809e
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
3781
diff
changeset
|
2197 st.print("0x"); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2198 for (int i = 0; i < length(); i++) { |
|
3841
0f34fdee809e
7071427: AdapterFingerPrint can hold 8 entries per int
never
parents:
3781
diff
changeset
|
2199 st.print("%08x", value(i)); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2200 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2201 return st.as_string(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2202 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2203 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2204 bool equals(AdapterFingerPrint* other) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2205 if (other->_length != _length) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2206 return false; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2207 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2208 if (_length < 0) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2209 assert(_compact_int_count == 3, "else change next line"); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2210 return _value._compact[0] == other->_value._compact[0] && |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2211 _value._compact[1] == other->_value._compact[1] && |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2212 _value._compact[2] == other->_value._compact[2]; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2213 } else { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2214 for (int i = 0; i < _length; i++) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2215 if (_value._fingerprint[i] != other->_value._fingerprint[i]) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2216 return false; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2217 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2218 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2219 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2220 return true; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2221 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2222 }; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2223 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2224 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2225 // A hashtable mapping from AdapterFingerPrints to AdapterHandlerEntries |
| 6197 | 2226 class AdapterHandlerTable : public BasicHashtable<mtCode> { |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2227 friend class AdapterHandlerTableIterator; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2228 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2229 private: |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2230 |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2231 #ifndef PRODUCT |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2232 static int _lookups; // number of calls to lookup |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2233 static int _buckets; // number of buckets checked |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2234 static int _equals; // number of buckets checked with matching hash |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2235 static int _hits; // number of successful lookups |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2236 static int _compact; // number of equals calls with compact signature |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2237 #endif |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2238 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2239 AdapterHandlerEntry* bucket(int i) { |
| 6197 | 2240 return (AdapterHandlerEntry*)BasicHashtable<mtCode>::bucket(i); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2241 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2242 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2243 public: |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2244 AdapterHandlerTable() |
| 6197 | 2245 : BasicHashtable<mtCode>(293, sizeof(AdapterHandlerEntry)) { } |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2246 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2247 // Create a new entry suitable for insertion in the table |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2248 AdapterHandlerEntry* new_entry(AdapterFingerPrint* fingerprint, address i2c_entry, address c2i_entry, address c2i_unverified_entry) { |
| 6197 | 2249 AdapterHandlerEntry* entry = (AdapterHandlerEntry*)BasicHashtable<mtCode>::new_entry(fingerprint->compute_hash()); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2250 entry->init(fingerprint, i2c_entry, c2i_entry, c2i_unverified_entry); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2251 return entry; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2252 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2253 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2254 // Insert an entry into the table |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2255 void add(AdapterHandlerEntry* entry) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2256 int index = hash_to_index(entry->hash()); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2257 add_entry(index, entry); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2258 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2259 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2260 void free_entry(AdapterHandlerEntry* entry) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2261 entry->deallocate(); |
| 6197 | 2262 BasicHashtable<mtCode>::free_entry(entry); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2263 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2264 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2265 // Find a entry with the same fingerprint if it exists |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2266 AdapterHandlerEntry* lookup(int total_args_passed, BasicType* sig_bt) { |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2267 NOT_PRODUCT(_lookups++); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2268 AdapterFingerPrint fp(total_args_passed, sig_bt); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2269 unsigned int hash = fp.compute_hash(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2270 int index = hash_to_index(hash); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2271 for (AdapterHandlerEntry* e = bucket(index); e != NULL; e = e->next()) { |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2272 NOT_PRODUCT(_buckets++); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2273 if (e->hash() == hash) { |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2274 NOT_PRODUCT(_equals++); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2275 if (fp.equals(e->fingerprint())) { |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2276 #ifndef PRODUCT |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2277 if (fp.is_compact()) _compact++; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2278 _hits++; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2279 #endif |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2280 return e; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2281 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2282 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2283 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2284 return NULL; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2285 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2286 |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2287 #ifndef PRODUCT |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2288 void print_statistics() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2289 ResourceMark rm; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2290 int longest = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2291 int empty = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2292 int total = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2293 int nonempty = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2294 for (int index = 0; index < table_size(); index++) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2295 int count = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2296 for (AdapterHandlerEntry* e = bucket(index); e != NULL; e = e->next()) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2297 count++; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2298 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2299 if (count != 0) nonempty++; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2300 if (count == 0) empty++; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2301 if (count > longest) longest = count; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2302 total += count; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2303 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2304 tty->print_cr("AdapterHandlerTable: empty %d longest %d total %d average %f", |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2305 empty, longest, total, total / (double)nonempty); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2306 tty->print_cr("AdapterHandlerTable: lookups %d buckets %d equals %d hits %d compact %d", |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2307 _lookups, _buckets, _equals, _hits, _compact); |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2308 } |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2309 #endif |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2310 }; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2311 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2312 |
|
1263
e7b1cc79bd25
6926697: "optimized" VM build failed: The type "AdapterHandlerTableIterator" is incomplete
kvn
parents:
1257
diff
changeset
|
2313 #ifndef PRODUCT |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2314 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2315 int AdapterHandlerTable::_lookups; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2316 int AdapterHandlerTable::_buckets; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2317 int AdapterHandlerTable::_equals; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2318 int AdapterHandlerTable::_hits; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2319 int AdapterHandlerTable::_compact; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2320 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
2321 #endif |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
2322 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2323 class AdapterHandlerTableIterator : public StackObj { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2324 private: |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2325 AdapterHandlerTable* _table; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2326 int _index; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2327 AdapterHandlerEntry* _current; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2328 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2329 void scan() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2330 while (_index < _table->table_size()) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2331 AdapterHandlerEntry* a = _table->bucket(_index); |
| 1564 | 2332 _index++; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2333 if (a != NULL) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2334 _current = a; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2335 return; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2336 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2337 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2338 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2339 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2340 public: |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2341 AdapterHandlerTableIterator(AdapterHandlerTable* table): _table(table), _index(0), _current(NULL) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2342 scan(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2343 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2344 bool has_next() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2345 return _current != NULL; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2346 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2347 AdapterHandlerEntry* next() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2348 if (_current != NULL) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2349 AdapterHandlerEntry* result = _current; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2350 _current = _current->next(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2351 if (_current == NULL) scan(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2352 return result; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2353 } else { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2354 return NULL; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2355 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2356 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2357 }; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2358 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2359 |
| 0 | 2360 // --------------------------------------------------------------------------- |
| 2361 // Implementation of AdapterHandlerLibrary | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2362 AdapterHandlerTable* AdapterHandlerLibrary::_adapters = NULL; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2363 AdapterHandlerEntry* AdapterHandlerLibrary::_abstract_method_handler = NULL; |
| 0 | 2364 const int AdapterHandlerLibrary_size = 16*K; |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2365 BufferBlob* AdapterHandlerLibrary::_buffer = NULL; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2366 |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2367 BufferBlob* AdapterHandlerLibrary::buffer_blob() { |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2368 // Should be called only when AdapterHandlerLibrary_lock is active. |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2369 if (_buffer == NULL) // Initialize lazily |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2370 _buffer = BufferBlob::create("adapters", AdapterHandlerLibrary_size); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2371 return _buffer; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2372 } |
| 0 | 2373 |
| 2374 void AdapterHandlerLibrary::initialize() { | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2375 if (_adapters != NULL) return; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2376 _adapters = new AdapterHandlerTable(); |
| 0 | 2377 |
| 2378 // Create a special handler for abstract methods. Abstract methods | |
| 2379 // are never compiled so an i2c entry is somewhat meaningless, but | |
|
13382
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
2380 // throw AbstractMethodError just in case. |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
2381 // Pass wrong_method_abstract for the c2i transitions to return |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
2382 // AbstractMethodError for invalid invocations. |
|
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
2383 address wrong_method_abstract = SharedRuntime::get_handle_wrong_method_abstract_stub(); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2384 _abstract_method_handler = AdapterHandlerLibrary::new_entry(new AdapterFingerPrint(0, NULL), |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2385 StubRoutines::throw_AbstractMethodError_entry(), |
|
13382
570aaefce624
8028319: ConflictingDefaultsTest.testReabstract spins when running with -mode invoke and -Xcomp
morris
parents:
12317
diff
changeset
|
2386 wrong_method_abstract, wrong_method_abstract); |
| 0 | 2387 } |
| 2388 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2389 AdapterHandlerEntry* AdapterHandlerLibrary::new_entry(AdapterFingerPrint* fingerprint, |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2390 address i2c_entry, |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2391 address c2i_entry, |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2392 address c2i_unverified_entry) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2393 return _adapters->new_entry(fingerprint, i2c_entry, c2i_entry, c2i_unverified_entry); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2394 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2395 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2396 AdapterHandlerEntry* AdapterHandlerLibrary::get_adapter(methodHandle method) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2397 // Use customized signature handler. Need to lock around updates to |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2398 // the AdapterHandlerTable (it is not safe for concurrent readers |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2399 // and a single writer: this could be fixed if it becomes a |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2400 // problem). |
| 0 | 2401 |
| 2402 // Get the address of the ic_miss handlers before we grab the | |
| 2403 // AdapterHandlerLibrary_lock. This fixes bug 6236259 which | |
| 2404 // was caused by the initialization of the stubs happening | |
| 2405 // while we held the lock and then notifying jvmti while | |
| 2406 // holding it. This just forces the initialization to be a little | |
| 2407 // earlier. | |
| 2408 address ic_miss = SharedRuntime::get_ic_miss_stub(); | |
| 2409 assert(ic_miss != NULL, "must have handler"); | |
| 2410 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2411 ResourceMark rm; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2412 |
| 1748 | 2413 NOT_PRODUCT(int insts_size); |
| 17611 | 2414 AdapterBlob* new_adapter = NULL; |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2415 AdapterHandlerEntry* entry = NULL; |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2416 AdapterFingerPrint* fingerprint = NULL; |
| 0 | 2417 { |
| 2418 MutexLocker mu(AdapterHandlerLibrary_lock); | |
| 2419 // make sure data structure is initialized | |
| 2420 initialize(); | |
| 2421 | |
| 2422 if (method->is_abstract()) { | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2423 return _abstract_method_handler; |
| 0 | 2424 } |
| 2425 | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2426 // Fill in the signature array, for the calling-convention call. |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2427 int total_args_passed = method->size_of_parameters(); // All args on stack |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2428 |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2429 BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2430 VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2431 int i = 0; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2432 if (!method->is_static()) // Pass in receiver first |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2433 sig_bt[i++] = T_OBJECT; |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2434 for (SignatureStream ss(method->signature()); !ss.at_return_type(); ss.next()) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2435 sig_bt[i++] = ss.type(); // Collect remaining bits of signature |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2436 if (ss.type() == T_LONG || ss.type() == T_DOUBLE) |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2437 sig_bt[i++] = T_VOID; // Longs & doubles take 2 Java slots |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2438 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2439 assert(i == total_args_passed, ""); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2440 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2441 // Lookup method signature's fingerprint |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2442 entry = _adapters->lookup(total_args_passed, sig_bt); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2443 |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2444 #ifdef ASSERT |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2445 AdapterHandlerEntry* shared_entry = NULL; |
| 17611 | 2446 // Start adapter sharing verification only after the VM is booted. |
| 2447 if (VerifyAdapterSharing && (entry != NULL)) { | |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2448 shared_entry = entry; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2449 entry = NULL; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2450 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2451 #endif |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2452 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2453 if (entry != NULL) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2454 return entry; |
| 0 | 2455 } |
| 2456 | |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2457 // Get a description of the compiled java calling convention and the largest used (VMReg) stack slot usage |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2458 int comp_args_on_stack = SharedRuntime::java_calling_convention(sig_bt, regs, total_args_passed, false); |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2459 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2460 // Make a C heap allocated version of the fingerprint to store in the adapter |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2461 fingerprint = new AdapterFingerPrint(total_args_passed, sig_bt); |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2462 |
| 17611 | 2463 // StubRoutines::code2() is initialized after this function can be called. As a result, |
| 2464 // VerifyAdapterCalls and VerifyAdapterSharing can fail if we re-use code that generated | |
| 2465 // prior to StubRoutines::code2() being set. Checks refer to checks generated in an I2C | |
| 2466 // stub that ensure that an I2C stub is called from an interpreter frame. | |
| 2467 bool contains_all_checks = StubRoutines::code2() != NULL; | |
| 2468 | |
| 0 | 2469 // Create I2C & C2I handlers |
|
1299
9eba43136cb5
6934494: JSR 292 MethodHandles adapters should be generated into their own CodeBlob
twisti
parents:
1295
diff
changeset
|
2470 BufferBlob* buf = buffer_blob(); // the temporary code buffer in CodeCache |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2471 if (buf != NULL) { |
| 1748 | 2472 CodeBuffer buffer(buf); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2473 short buffer_locs[20]; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2474 buffer.insts()->initialize_shared_locs((relocInfo*)buffer_locs, |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2475 sizeof(buffer_locs)/sizeof(relocInfo)); |
| 17611 | 2476 |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2477 MacroAssembler _masm(&buffer); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2478 entry = SharedRuntime::generate_i2c2i_adapters(&_masm, |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2479 total_args_passed, |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2480 comp_args_on_stack, |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2481 sig_bt, |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2482 regs, |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2483 fingerprint); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2484 #ifdef ASSERT |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2485 if (VerifyAdapterSharing) { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2486 if (shared_entry != NULL) { |
| 17611 | 2487 assert(shared_entry->compare_code(buf->code_begin(), buffer.insts_size()), "code must match"); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2488 // Release the one just created and return the original |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2489 _adapters->free_entry(entry); |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2490 return shared_entry; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2491 } else { |
| 17611 | 2492 entry->save_code(buf->code_begin(), buffer.insts_size()); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2493 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2494 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2495 #endif |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2496 |
| 17611 | 2497 new_adapter = AdapterBlob::create(&buffer); |
| 1748 | 2498 NOT_PRODUCT(insts_size = buffer.insts_size()); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2499 } |
| 17611 | 2500 if (new_adapter == NULL) { |
| 28 | 2501 // CodeCache is full, disable compilation |
| 2502 // Ought to log this but compile log is only per compile thread | |
| 2503 // and we're some non descript Java thread. | |
| 1202 | 2504 MutexUnlocker mu(AdapterHandlerLibrary_lock); |
| 2505 CompileBroker::handle_full_code_cache(); | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2506 return NULL; // Out of CodeCache space |
| 28 | 2507 } |
| 17611 | 2508 entry->relocate(new_adapter->content_begin()); |
| 0 | 2509 #ifndef PRODUCT |
| 2510 // debugging suppport | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2511 if (PrintAdapterHandlers || PrintStubCode) { |
|
6796
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
2512 ttyLocker ttyl; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2513 entry->print_adapter_on(tty); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2514 tty->print_cr("i2c argument handler #%d for: %s %s (%d bytes generated)", |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2515 _adapters->number_of_entries(), (method->is_static() ? "static" : "receiver"), |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2516 method->signature()->as_C_string(), insts_size); |
| 0 | 2517 tty->print_cr("c2i argument handler starts at %p",entry->get_c2i_entry()); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2518 if (Verbose || PrintStubCode) { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2519 address first_pc = entry->base_address(); |
|
6796
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
2520 if (first_pc != NULL) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2521 Disassembler::decode(first_pc, first_pc + insts_size); |
|
6796
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
2522 tty->cr(); |
|
b31471cdc53e
7200163: add CodeComments functionality to assember stubs
kvn
parents:
6792
diff
changeset
|
2523 } |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2524 } |
| 0 | 2525 } |
| 2526 #endif | |
| 17611 | 2527 // Add the entry only if the entry contains all required checks (see sharedRuntime_xxx.cpp) |
| 2528 // The checks are inserted only if -XX:+VerifyAdapterCalls is specified. | |
| 2529 if (contains_all_checks || !VerifyAdapterCalls) { | |
| 2530 _adapters->add(entry); | |
| 2531 } | |
| 0 | 2532 } |
| 2533 // Outside of the lock | |
| 17611 | 2534 if (new_adapter != NULL) { |
| 0 | 2535 char blob_id[256]; |
| 2536 jio_snprintf(blob_id, | |
| 2537 sizeof(blob_id), | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2538 "%s(%s)@" PTR_FORMAT, |
| 17611 | 2539 new_adapter->name(), |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2540 fingerprint->as_string(), |
| 17611 | 2541 new_adapter->content_begin()); |
| 2542 Forte::register_stub(blob_id, new_adapter->content_begin(),new_adapter->content_end()); | |
| 0 | 2543 |
| 2544 if (JvmtiExport::should_post_dynamic_code_generated()) { | |
| 17611 | 2545 JvmtiExport::post_dynamic_code_generated(blob_id, new_adapter->content_begin(), new_adapter->content_end()); |
| 0 | 2546 } |
| 2547 } | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2548 return entry; |
| 0 | 2549 } |
| 2550 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2551 address AdapterHandlerEntry::base_address() { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2552 address base = _i2c_entry; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2553 if (base == NULL) base = _c2i_entry; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2554 assert(base <= _c2i_entry || _c2i_entry == NULL, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2555 assert(base <= _c2i_unverified_entry || _c2i_unverified_entry == NULL, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2556 return base; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2557 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2558 |
| 0 | 2559 void AdapterHandlerEntry::relocate(address new_base) { |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2560 address old_base = base_address(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2561 assert(old_base != NULL, ""); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2562 ptrdiff_t delta = new_base - old_base; |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2563 if (_i2c_entry != NULL) |
| 0 | 2564 _i2c_entry += delta; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2565 if (_c2i_entry != NULL) |
| 0 | 2566 _c2i_entry += delta; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2567 if (_c2i_unverified_entry != NULL) |
| 0 | 2568 _c2i_unverified_entry += delta; |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2569 assert(base_address() == new_base, ""); |
| 0 | 2570 } |
| 2571 | |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2572 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2573 void AdapterHandlerEntry::deallocate() { |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2574 delete _fingerprint; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2575 #ifdef ASSERT |
| 6197 | 2576 if (_saved_code) FREE_C_HEAP_ARRAY(unsigned char, _saved_code, mtCode); |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2577 #endif |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2578 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2579 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2580 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2581 #ifdef ASSERT |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2582 // Capture the code before relocation so that it can be compared |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2583 // against other versions. If the code is captured after relocation |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2584 // then relative instructions won't be equivalent. |
| 17611 | 2585 void AdapterHandlerEntry::save_code(unsigned char* buffer, int length) { |
| 6197 | 2586 _saved_code = NEW_C_HEAP_ARRAY(unsigned char, length, mtCode); |
| 17611 | 2587 _saved_code_length = length; |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2588 memcpy(_saved_code, buffer, length); |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2589 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2590 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2591 |
| 17611 | 2592 bool AdapterHandlerEntry::compare_code(unsigned char* buffer, int length) { |
| 2593 if (length != _saved_code_length) { | |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2594 return false; |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2595 } |
| 17611 | 2596 |
| 2597 return (memcmp(buffer, _saved_code, length) == 0) ? true : false; | |
|
1207
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2598 } |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2599 #endif |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2600 |
|
74c848d437ab
6921922: fix for 6911204 breaks tagged stack interpreter
never
parents:
1205
diff
changeset
|
2601 |
| 17625 | 2602 /** |
| 2603 * Create a native wrapper for this native method. The wrapper converts the | |
| 2604 * Java-compiled calling convention to the native convention, handles | |
| 2605 * arguments, and transitions to native. On return from the native we transition | |
| 2606 * back to java blocking if a safepoint is in progress. | |
| 2607 */ | |
| 2608 void AdapterHandlerLibrary::create_native_wrapper(methodHandle method) { | |
| 0 | 2609 ResourceMark rm; |
| 2610 nmethod* nm = NULL; | |
| 2611 | |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2612 assert(method->is_native(), "must be native"); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2613 assert(method->is_method_handle_intrinsic() || |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2614 method->has_native_function(), "must have something valid to call!"); |
| 0 | 2615 |
| 2616 { | |
| 17625 | 2617 // Perform the work while holding the lock, but perform any printing outside the lock |
| 0 | 2618 MutexLocker mu(AdapterHandlerLibrary_lock); |
| 2619 // See if somebody beat us to it | |
| 2620 nm = method->code(); | |
| 17625 | 2621 if (nm != NULL) { |
| 2622 return; | |
| 0 | 2623 } |
| 2624 | |
| 17625 | 2625 const int compile_id = CompileBroker::assign_compile_id(method, CompileBroker::standard_entry_bci); |
| 2626 assert(compile_id > 0, "Must generate native wrapper"); | |
| 2627 | |
| 2628 | |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2629 ResourceMark rm; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2630 BufferBlob* buf = buffer_blob(); // the temporary code buffer in CodeCache |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2631 if (buf != NULL) { |
| 1748 | 2632 CodeBuffer buffer(buf); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2633 double locs_buf[20]; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2634 buffer.insts()->initialize_shared_locs((relocInfo*)locs_buf, sizeof(locs_buf) / sizeof(relocInfo)); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2635 MacroAssembler _masm(&buffer); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2636 |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2637 // Fill in the signature array, for the calling-convention call. |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2638 const int total_args_passed = method->size_of_parameters(); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2639 |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2640 BasicType* sig_bt = NEW_RESOURCE_ARRAY(BasicType, total_args_passed); |
|
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2641 VMRegPair* regs = NEW_RESOURCE_ARRAY(VMRegPair, total_args_passed); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2642 int i=0; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2643 if( !method->is_static() ) // Pass in receiver first |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2644 sig_bt[i++] = T_OBJECT; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2645 SignatureStream ss(method->signature()); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2646 for( ; !ss.at_return_type(); ss.next()) { |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2647 sig_bt[i++] = ss.type(); // Collect remaining bits of signature |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2648 if( ss.type() == T_LONG || ss.type() == T_DOUBLE ) |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2649 sig_bt[i++] = T_VOID; // Longs & doubles take 2 Java slots |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2650 } |
|
6790
2cb2f30450c7
7196262: JSR 292: java/lang/invoke/PrivateInvokeTest.java fails on solaris-sparc
twisti
parents:
6725
diff
changeset
|
2651 assert(i == total_args_passed, ""); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2652 BasicType ret_type = ss.type(); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2653 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2654 // Now get the compiled-Java layout as input (or output) arguments. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2655 // NOTE: Stubs for compiled entry points of method handle intrinsics |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2656 // are just trampolines so the argument registers must be outgoing ones. |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2657 const bool is_outgoing = method->is_method_handle_intrinsic(); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
2658 int comp_args_on_stack = SharedRuntime::java_calling_convention(sig_bt, regs, total_args_passed, is_outgoing); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2659 |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2660 // Generate the compiled-to-native wrapper code |
| 17625 | 2661 nm = SharedRuntime::generate_native_wrapper(&_masm, method, compile_id, sig_bt, regs, ret_type); |
| 2662 | |
| 2663 if (nm != NULL) { | |
| 2664 method->set_code(method, nm); | |
| 2665 } | |
| 0 | 2666 } |
| 17625 | 2667 } // Unlock AdapterHandlerLibrary_lock |
| 2668 | |
|
1728
a62d332029cf
6976372: # assert(_owner == Thread::current()) failed: invariant
never
parents:
1681
diff
changeset
|
2669 |
| 0 | 2670 // Install the generated code. |
| 2671 if (nm != NULL) { | |
|
2405
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2321
diff
changeset
|
2672 if (PrintCompilation) { |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2321
diff
changeset
|
2673 ttyLocker ttyl; |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2321
diff
changeset
|
2674 CompileTask::print_compilation(tty, nm, method->is_static() ? "(static)" : ""); |
|
3d58a4983660
7022998: JSR 292 recursive method handle calls inline themselves infinitely
twisti
parents:
2321
diff
changeset
|
2675 } |
| 0 | 2676 nm->post_compiled_method_load_event(); |
| 2677 } else { | |
| 2678 // CodeCache is full, disable compilation | |
| 1202 | 2679 CompileBroker::handle_full_code_cache(); |
| 0 | 2680 } |
| 2681 } | |
| 2682 | |
|
4873
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2683 JRT_ENTRY_NO_ASYNC(void, SharedRuntime::block_for_jni_critical(JavaThread* thread)) |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2684 assert(thread == JavaThread::current(), "must be"); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2685 // The code is about to enter a JNI lazy critical native method and |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2686 // _needs_gc is true, so if this thread is already in a critical |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2687 // section then just return, otherwise this thread should block |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2688 // until needs_gc has been cleared. |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2689 if (thread->in_critical()) { |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2690 return; |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2691 } |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2692 // Lock and unlock a critical section to give the system a chance to block |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2693 GC_locker::lock_critical(thread); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2694 GC_locker::unlock_critical(thread); |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2695 JRT_END |
|
0382d2b469b2
7013347: allow crypto functions to be called inline to enhance performance
never
parents:
4872
diff
changeset
|
2696 |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2697 #ifdef HAVE_DTRACE_H |
|
17915
e0a77b91da68
8040085: dtrace/jsdt tests crash on solaris. found an unadvertised bad scavengable oop in the code cache
anoll
parents:
17884
diff
changeset
|
2698 /** |
|
e0a77b91da68
8040085: dtrace/jsdt tests crash on solaris. found an unadvertised bad scavengable oop in the code cache
anoll
parents:
17884
diff
changeset
|
2699 * Create a dtrace nmethod for this method. The wrapper converts the |
|
e0a77b91da68
8040085: dtrace/jsdt tests crash on solaris. found an unadvertised bad scavengable oop in the code cache
anoll
parents:
17884
diff
changeset
|
2700 * Java-compiled calling convention to the native convention, makes a dummy call |
|
e0a77b91da68
8040085: dtrace/jsdt tests crash on solaris. found an unadvertised bad scavengable oop in the code cache
anoll
parents:
17884
diff
changeset
|
2701 * (actually nops for the size of the call instruction, which become a trap if |
|
e0a77b91da68
8040085: dtrace/jsdt tests crash on solaris. found an unadvertised bad scavengable oop in the code cache
anoll
parents:
17884
diff
changeset
|
2702 * probe is enabled), and finally returns to the caller. Since this all looks like a |
|
e0a77b91da68
8040085: dtrace/jsdt tests crash on solaris. found an unadvertised bad scavengable oop in the code cache
anoll
parents:
17884
diff
changeset
|
2703 * leaf, no thread transition is needed. |
|
e0a77b91da68
8040085: dtrace/jsdt tests crash on solaris. found an unadvertised bad scavengable oop in the code cache
anoll
parents:
17884
diff
changeset
|
2704 */ |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2705 nmethod *AdapterHandlerLibrary::create_dtrace_nmethod(methodHandle method) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2706 ResourceMark rm; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2707 nmethod* nm = NULL; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2708 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2709 if (PrintCompilation) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2710 ttyLocker ttyl; |
|
17915
e0a77b91da68
8040085: dtrace/jsdt tests crash on solaris. found an unadvertised bad scavengable oop in the code cache
anoll
parents:
17884
diff
changeset
|
2711 tty->print("--- n "); |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2712 method->print_short_name(tty); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2713 if (method->is_static()) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2714 tty->print(" (static)"); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2715 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2716 tty->cr(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2717 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2718 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2719 { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2720 // perform the work while holding the lock, but perform any printing |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2721 // outside the lock |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2722 MutexLocker mu(AdapterHandlerLibrary_lock); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2723 // See if somebody beat us to it |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2724 nm = method->code(); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2725 if (nm) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2726 return nm; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2727 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2728 |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2729 ResourceMark rm; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2730 |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2731 BufferBlob* buf = buffer_blob(); // the temporary code buffer in CodeCache |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2732 if (buf != NULL) { |
| 1748 | 2733 CodeBuffer buffer(buf); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2734 // Need a few relocation entries |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2735 double locs_buf[20]; |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2736 buffer.insts()->initialize_shared_locs( |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2737 (relocInfo*)locs_buf, sizeof(locs_buf) / sizeof(relocInfo)); |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2738 MacroAssembler _masm(&buffer); |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2739 |
|
742
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2740 // Generate the compiled-to-native wrapper code |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2741 nm = SharedRuntime::generate_dtrace_nmethod(&_masm, method); |
|
45463a04ca27
6834177: Running jsynprog on Solaris Nevada can cause JVM crash
kvn
parents:
710
diff
changeset
|
2742 } |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2743 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2744 return nm; |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2745 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2746 |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2747 // the dtrace method needs to convert java lang string to utf8 string. |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2748 void SharedRuntime::get_utf(oopDesc* src, address dst) { |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2749 typeArrayOop jlsValue = java_lang_String::value(src); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2750 int jlsOffset = java_lang_String::offset(src); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2751 int jlsLen = java_lang_String::length(src); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2752 jchar* jlsPos = (jlsLen == 0) ? NULL : |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2753 jlsValue->char_at_addr(jlsOffset); |
|
6831
d8ce2825b193
8000213: NPG: Should have renamed arrayKlass and typeArrayKlass
coleenp
parents:
6796
diff
changeset
|
2754 assert(TypeArrayKlass::cast(jlsValue->klass())->element_type() == T_CHAR, "compressed string"); |
|
116
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2755 (void) UNICODE::as_utf8(jlsPos, jlsLen, (char *)dst, max_dtrace_string_size); |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2756 } |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2757 #endif // ndef HAVE_DTRACE_H |
|
018d5b58dd4f
6537506: Provide a mechanism for specifying Java-level USDT-like dtrace probes
kamg
parents:
62
diff
changeset
|
2758 |
|
14418
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2759 int SharedRuntime::convert_ints_to_longints_argcnt(int in_args_count, BasicType* in_sig_bt) { |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2760 int argcnt = in_args_count; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2761 if (CCallingConventionRequiresIntsAsLongs) { |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2762 for (int in = 0; in < in_args_count; in++) { |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2763 BasicType bt = in_sig_bt[in]; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2764 switch (bt) { |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2765 case T_BOOLEAN: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2766 case T_CHAR: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2767 case T_BYTE: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2768 case T_SHORT: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2769 case T_INT: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2770 argcnt++; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2771 break; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2772 default: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2773 break; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2774 } |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2775 } |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2776 } else { |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2777 assert(0, "This should not be needed on this platform"); |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2778 } |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2779 |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2780 return argcnt; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2781 } |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2782 |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2783 void SharedRuntime::convert_ints_to_longints(int i2l_argcnt, int& in_args_count, |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2784 BasicType*& in_sig_bt, VMRegPair*& in_regs) { |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2785 if (CCallingConventionRequiresIntsAsLongs) { |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2786 VMRegPair *new_in_regs = NEW_RESOURCE_ARRAY(VMRegPair, i2l_argcnt); |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2787 BasicType *new_in_sig_bt = NEW_RESOURCE_ARRAY(BasicType, i2l_argcnt); |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2788 |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2789 int argcnt = 0; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2790 for (int in = 0; in < in_args_count; in++, argcnt++) { |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2791 BasicType bt = in_sig_bt[in]; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2792 VMRegPair reg = in_regs[in]; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2793 switch (bt) { |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2794 case T_BOOLEAN: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2795 case T_CHAR: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2796 case T_BYTE: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2797 case T_SHORT: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2798 case T_INT: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2799 // Convert (bt) to (T_LONG,bt). |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2800 new_in_sig_bt[argcnt ] = T_LONG; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2801 new_in_sig_bt[argcnt+1] = bt; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2802 assert(reg.first()->is_valid() && !reg.second()->is_valid(), ""); |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2803 new_in_regs[argcnt ].set2(reg.first()); |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2804 new_in_regs[argcnt+1].set_bad(); |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2805 argcnt++; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2806 break; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2807 default: |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2808 // No conversion needed. |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2809 new_in_sig_bt[argcnt] = bt; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2810 new_in_regs[argcnt] = reg; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2811 break; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2812 } |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2813 } |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2814 assert(argcnt == i2l_argcnt, "must match"); |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2815 |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2816 in_regs = new_in_regs; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2817 in_sig_bt = new_in_sig_bt; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2818 in_args_count = i2l_argcnt; |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2819 } else { |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2820 assert(0, "This should not be needed on this platform"); |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2821 } |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2822 } |
|
cfd05ec74089
8024342: PPC64 (part 111): Support for C calling conventions that require 64-bit ints.
goetz
parents:
14396
diff
changeset
|
2823 |
| 0 | 2824 // ------------------------------------------------------------------------- |
| 2825 // Java-Java calling convention | |
| 2826 // (what you use when Java calls Java) | |
| 2827 | |
| 2828 //------------------------------name_for_receiver---------------------------------- | |
| 2829 // For a given signature, return the VMReg for parameter 0. | |
| 2830 VMReg SharedRuntime::name_for_receiver() { | |
| 2831 VMRegPair regs; | |
| 2832 BasicType sig_bt = T_OBJECT; | |
| 2833 (void) java_calling_convention(&sig_bt, ®s, 1, true); | |
| 2834 // Return argument 0 register. In the LP64 build pointers | |
| 2835 // take 2 registers, but the VM wants only the 'main' name. | |
| 2836 return regs.first(); | |
| 2837 } | |
| 2838 | |
| 10390 | 2839 VMRegPair *SharedRuntime::find_callee_arguments(Symbol* sig, bool has_receiver, bool has_appendix, int* arg_size) { |
| 0 | 2840 // This method is returning a data structure allocating as a |
| 2841 // ResourceObject, so do not put any ResourceMarks in here. | |
| 2842 char *s = sig->as_C_string(); | |
| 2843 int len = (int)strlen(s); | |
|
10973
ef57c43512d6
8014431: cleanup warnings indicated by the -Wunused-value compiler option on linux
ccheung
parents:
10390
diff
changeset
|
2844 s++; len--; // Skip opening paren |
| 0 | 2845 char *t = s+len; |
| 2846 while( *(--t) != ')' ) ; // Find close paren | |
| 2847 | |
| 2848 BasicType *sig_bt = NEW_RESOURCE_ARRAY( BasicType, 256 ); | |
| 2849 VMRegPair *regs = NEW_RESOURCE_ARRAY( VMRegPair, 256 ); | |
| 2850 int cnt = 0; | |
|
1138
dd57230ba8fe
6893268: additional dynamic language related optimizations in C2
twisti
parents:
1135
diff
changeset
|
2851 if (has_receiver) { |
| 0 | 2852 sig_bt[cnt++] = T_OBJECT; // Receiver is argument 0; not in signature |
| 2853 } | |
| 2854 | |
| 2855 while( s < t ) { | |
| 2856 switch( *s++ ) { // Switch on signature character | |
| 2857 case 'B': sig_bt[cnt++] = T_BYTE; break; | |
| 2858 case 'C': sig_bt[cnt++] = T_CHAR; break; | |
| 2859 case 'D': sig_bt[cnt++] = T_DOUBLE; sig_bt[cnt++] = T_VOID; break; | |
| 2860 case 'F': sig_bt[cnt++] = T_FLOAT; break; | |
| 2861 case 'I': sig_bt[cnt++] = T_INT; break; | |
| 2862 case 'J': sig_bt[cnt++] = T_LONG; sig_bt[cnt++] = T_VOID; break; | |
| 2863 case 'S': sig_bt[cnt++] = T_SHORT; break; | |
| 2864 case 'Z': sig_bt[cnt++] = T_BOOLEAN; break; | |
| 2865 case 'V': sig_bt[cnt++] = T_VOID; break; | |
| 2866 case 'L': // Oop | |
| 2867 while( *s++ != ';' ) ; // Skip signature | |
| 2868 sig_bt[cnt++] = T_OBJECT; | |
| 2869 break; | |
| 2870 case '[': { // Array | |
| 2871 do { // Skip optional size | |
| 2872 while( *s >= '0' && *s <= '9' ) s++; | |
| 2873 } while( *s++ == '[' ); // Nested arrays? | |
| 2874 // Skip element type | |
| 2875 if( s[-1] == 'L' ) | |
| 2876 while( *s++ != ';' ) ; // Skip signature | |
| 2877 sig_bt[cnt++] = T_ARRAY; | |
| 2878 break; | |
| 2879 } | |
| 2880 default : ShouldNotReachHere(); | |
| 2881 } | |
| 2882 } | |
| 10390 | 2883 |
| 2884 if (has_appendix) { | |
| 2885 sig_bt[cnt++] = T_OBJECT; | |
| 2886 } | |
| 2887 | |
| 0 | 2888 assert( cnt < 256, "grow table size" ); |
| 2889 | |
| 2890 int comp_args_on_stack; | |
| 2891 comp_args_on_stack = java_calling_convention(sig_bt, regs, cnt, true); | |
| 2892 | |
| 2893 // the calling convention doesn't count out_preserve_stack_slots so | |
| 2894 // we must add that in to get "true" stack offsets. | |
| 2895 | |
| 2896 if (comp_args_on_stack) { | |
| 2897 for (int i = 0; i < cnt; i++) { | |
| 2898 VMReg reg1 = regs[i].first(); | |
| 2899 if( reg1->is_stack()) { | |
| 2900 // Yuck | |
| 2901 reg1 = reg1->bias(out_preserve_stack_slots()); | |
| 2902 } | |
| 2903 VMReg reg2 = regs[i].second(); | |
| 2904 if( reg2->is_stack()) { | |
| 2905 // Yuck | |
| 2906 reg2 = reg2->bias(out_preserve_stack_slots()); | |
| 2907 } | |
| 2908 regs[i].set_pair(reg2, reg1); | |
| 2909 } | |
| 2910 } | |
| 2911 | |
| 2912 // results | |
| 2913 *arg_size = cnt; | |
| 2914 return regs; | |
| 2915 } | |
| 2916 | |
| 2917 // OSR Migration Code | |
| 2918 // | |
| 2919 // This code is used convert interpreter frames into compiled frames. It is | |
| 2920 // called from very start of a compiled OSR nmethod. A temp array is | |
| 2921 // allocated to hold the interesting bits of the interpreter frame. All | |
| 2922 // active locks are inflated to allow them to move. The displaced headers and | |
| 2923 // active interpeter locals are copied into the temp buffer. Then we return | |
| 2924 // back to the compiled code. The compiled code then pops the current | |
| 2925 // interpreter frame off the stack and pushes a new compiled frame. Then it | |
| 2926 // copies the interpreter locals and displaced headers where it wants. | |
| 2927 // Finally it calls back to free the temp buffer. | |
| 2928 // | |
| 2929 // All of this is done NOT at any Safepoint, nor is any safepoint or GC allowed. | |
| 2930 | |
| 2931 JRT_LEAF(intptr_t*, SharedRuntime::OSR_migration_begin( JavaThread *thread) ) | |
| 2932 | |
| 2933 // | |
| 2934 // This code is dependent on the memory layout of the interpreter local | |
| 2935 // array and the monitors. On all of our platforms the layout is identical | |
| 2936 // so this code is shared. If some platform lays the their arrays out | |
| 2937 // differently then this code could move to platform specific code or | |
| 2938 // the code here could be modified to copy items one at a time using | |
| 2939 // frame accessor methods and be platform independent. | |
| 2940 | |
| 2941 frame fr = thread->last_frame(); | |
| 2942 assert( fr.is_interpreted_frame(), "" ); | |
| 2943 assert( fr.interpreter_frame_expression_stack_size()==0, "only handle empty stacks" ); | |
| 2944 | |
| 2945 // Figure out how many monitors are active. | |
| 2946 int active_monitor_count = 0; | |
| 2947 for( BasicObjectLock *kptr = fr.interpreter_frame_monitor_end(); | |
| 2948 kptr < fr.interpreter_frame_monitor_begin(); | |
| 2949 kptr = fr.next_monitor_in_interpreter_frame(kptr) ) { | |
| 2950 if( kptr->obj() != NULL ) active_monitor_count++; | |
| 2951 } | |
| 2952 | |
| 2953 // QQQ we could place number of active monitors in the array so that compiled code | |
| 2954 // could double check it. | |
| 2955 | |
|
6725
da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
6271
diff
changeset
|
2956 Method* moop = fr.interpreter_frame_method(); |
| 0 | 2957 int max_locals = moop->max_locals(); |
| 2958 // Allocate temp buffer, 1 word per local & 2 per active monitor | |
| 2959 int buf_size_words = max_locals + active_monitor_count*2; | |
| 6197 | 2960 intptr_t *buf = NEW_C_HEAP_ARRAY(intptr_t,buf_size_words, mtCode); |
| 0 | 2961 |
| 2962 // Copy the locals. Order is preserved so that loading of longs works. | |
| 2963 // Since there's no GC I can copy the oops blindly. | |
| 2964 assert( sizeof(HeapWord)==sizeof(intptr_t), "fix this code"); | |
| 1506 | 2965 Copy::disjoint_words((HeapWord*)fr.interpreter_frame_local_at(max_locals-1), |
| 0 | 2966 (HeapWord*)&buf[0], |
| 2967 max_locals); | |
| 2968 | |
| 2969 // Inflate locks. Copy the displaced headers. Be careful, there can be holes. | |
| 2970 int i = max_locals; | |
| 2971 for( BasicObjectLock *kptr2 = fr.interpreter_frame_monitor_end(); | |
| 2972 kptr2 < fr.interpreter_frame_monitor_begin(); | |
| 2973 kptr2 = fr.next_monitor_in_interpreter_frame(kptr2) ) { | |
| 2974 if( kptr2->obj() != NULL) { // Avoid 'holes' in the monitor array | |
| 2975 BasicLock *lock = kptr2->lock(); | |
| 2976 // Inflate so the displaced header becomes position-independent | |
| 2977 if (lock->displaced_header()->is_unlocked()) | |
| 2978 ObjectSynchronizer::inflate_helper(kptr2->obj()); | |
| 2979 // Now the displaced header is free to move | |
| 2980 buf[i++] = (intptr_t)lock->displaced_header(); | |
|
12316
190899198332
7195622: CheckUnhandledOops has limited usefulness now
hseigel
parents:
12160
diff
changeset
|
2981 buf[i++] = cast_from_oop<intptr_t>(kptr2->obj()); |
| 0 | 2982 } |
| 2983 } | |
| 2984 assert( i - max_locals == active_monitor_count*2, "found the expected number of monitors" ); | |
| 2985 | |
| 2986 return buf; | |
| 2987 JRT_END | |
| 2988 | |
| 2989 JRT_LEAF(void, SharedRuntime::OSR_migration_end( intptr_t* buf) ) | |
| 6197 | 2990 FREE_C_HEAP_ARRAY(intptr_t,buf, mtCode); |
| 0 | 2991 JRT_END |
| 2992 | |
| 2993 bool AdapterHandlerLibrary::contains(CodeBlob* b) { | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2994 AdapterHandlerTableIterator iter(_adapters); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2995 while (iter.has_next()) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2996 AdapterHandlerEntry* a = iter.next(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
2997 if ( b == CodeCache::find_blob(a->get_i2c_entry()) ) return true; |
| 0 | 2998 } |
| 2999 return false; | |
| 3000 } | |
| 3001 | |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
3002 void AdapterHandlerLibrary::print_handler_on(outputStream* st, CodeBlob* b) { |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
3003 AdapterHandlerTableIterator iter(_adapters); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
3004 while (iter.has_next()) { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
3005 AdapterHandlerEntry* a = iter.next(); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
3006 if (b == CodeCache::find_blob(a->get_i2c_entry())) { |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
3007 st->print("Adapter for signature: "); |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
3008 a->print_adapter_on(tty); |
| 0 | 3009 return; |
| 3010 } | |
| 3011 } | |
| 3012 assert(false, "Should have found handler"); | |
| 3013 } | |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
3014 |
|
6266
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
3015 void AdapterHandlerEntry::print_adapter_on(outputStream* st) const { |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
3016 st->print_cr("AHE@" INTPTR_FORMAT ": %s i2c: " INTPTR_FORMAT " c2i: " INTPTR_FORMAT " c2iUV: " INTPTR_FORMAT, |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
3017 (intptr_t) this, fingerprint()->as_string(), |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
3018 get_i2c_entry(), get_c2i_entry(), get_c2i_unverified_entry()); |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
3019 |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
3020 } |
|
1d7922586cf6
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
6197
diff
changeset
|
3021 |
|
1681
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
3022 #ifndef PRODUCT |
|
126ea7725993
6953477: Increase portability and flexibility of building Hotspot
bobv
parents:
1644
diff
changeset
|
3023 |
|
1187
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
3024 void AdapterHandlerLibrary::print_statistics() { |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
3025 _adapters->print_statistics(); |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
3026 } |
|
cf0685d550f1
6911204: generated adapters with large signatures can fill up the code cache
never
parents:
1142
diff
changeset
|
3027 |
| 0 | 3028 #endif /* PRODUCT */ |